SÁCH GIÁO KHOA Toán lớp 5 – 2025

Email của bạn sẽ không được hiển thị công khai. Các trường bắt buộc được đánh dấu *

Bình luận * </p> <p class="comment-form-author"><label for="author">Tên <span class="required">*</span></label> <input id="author" name="author" type="text" value="" size="30" maxlength="245" autocomplete="name" required=""/></p> <p class="comment-form-email"><label for="email">Email <span class="required">*</span></label> <input id="email" name="email" type="email" value="" size="30" maxlength="100" aria-describedby="email-notes" autocomplete="email" required=""/></p> <p class="comment-form-url"><label for="url">Trang web</label> <input id="url" name="url" type="url" value="" size="30" maxlength="200" autocomplete="url"/></p> <p class="comment-form-cookies-consent"><input id="wp-comment-cookies-consent" name="wp-comment-cookies-consent" type="checkbox" value="yes"/> <label for="wp-comment-cookies-consent">Lưu tên của tôi, email, và trang web trong trình duyệt này cho lần bình luận kế tiếp của tôi.</label></p> <p style="display: none !important;" class="akismet-fields-container" data-prefix="ak_"><label>Δ<textarea name="ak_hp_textarea" cols="45" rows="8" maxlength="100"/></label><input type="hidden" id="ak_js_1" name="ak_js" value="91"/></p> </form></div> <p>[ad_2]<br /><a href="https://hocz.net/hoc-blog/sach-giao-khoa-toan-lop-5-2025_254071.html">PBN WEB EDU MMO TD </a></p> </div> </div> </article> <div class="single-after-entry"><div class="social-sharing social-general nevo-dropdown d-flex flex-wrap align-items-center cv-col-12 justify-content-center"><div class="social-share-text d-inline-flex align-items-center"><svg class="bi-share-fill " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewBox="0 0 16 16"><path d="M11 2.5a2.5 2.5 0 1 1 .603 1.628l-6.718 3.12a2.499 2.499 0 0 1 0 1.504l6.718 3.12a2.5 2.5 0 1 1-.488.876l-6.718-3.12a2.5 2.5 0 1 1 0-3.256l6.718-3.12A2.5 2.5 0 0 1 11 2.5z"></path></svg><span class="d-block">Share</span></div><a class="social-icons nevo-facebook d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Facebook" href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="facebook " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M17.12 0.224v4.704h-2.784q-1.536 0-2.080 0.64t-0.544 1.92v3.392h5.248l-0.704 5.28h-4.544v13.568h-5.472v-13.568h-4.544v-5.28h4.544v-3.904q0-3.328 1.856-5.152t4.96-1.824q2.624 0 4.064 0.224z"></path></svg><span class="social-label d-md-inline-flex d-none">facebook</span><span class="screen-reader-text">Share on Facebook</span></a><a class="social-icons nevo-twitter d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Twitter" href="https://twitter.com/intent/tweet?text=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025&url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="twitter " width="22" height="22" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M17.4636119,3.75 L20.3770686,3.75 L14.0120289,10.8513575 L21.5,20.5147059 L15.6369768,20.5147059 L11.0448477,14.6539367 L5.79040931,20.5147059 L2.87519121,20.5147059 L9.68323831,12.9190045 L2.5,3.75 L8.51186669,3.75 L12.6627497,9.10696833 L17.4636119,3.75 Z M16.4410838,18.8124434 L18.0554628,18.8124434 L7.63465906,5.36285068 L5.90226209,5.36285068 L16.4410838,18.8124434 Z"></path></svg><span class="social-label d-md-inline-flex d-none">twitter</span><span class="screen-reader-text">Share on Twitter</span></a><a class="social-icons nevo-pinterest d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Pin on Pinterest" href="https://pinterest.com/pin/create/button/?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&media=N&description=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="pinterest " width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M12.289,2C6.617,2,3.606,5.648,3.606,9.622c0,1.846,1.025,4.146,2.666,4.878c0.25,0.111,0.381,0.063,0.439-0.169 c0.044-0.175,0.267-1.029,0.365-1.428c0.032-0.128,0.017-0.237-0.091-0.362C6.445,11.911,6.01,10.75,6.01,9.668 c0-2.777,2.194-5.464,5.933-5.464c3.23,0,5.49,2.108,5.49,5.122c0,3.407-1.794,5.768-4.13,5.768c-1.291,0-2.257-1.021-1.948-2.277 c0.372-1.495,1.089-3.112,1.089-4.191c0-0.967-0.542-1.775-1.663-1.775c-1.319,0-2.379,1.309-2.379,3.059 c0,1.115,0.394,1.869,0.394,1.869s-1.302,5.279-1.54,6.261c-0.405,1.666,0.053,4.368,0.094,4.604 c0.021,0.126,0.167,0.169,0.25,0.063c0.129-0.165,1.699-2.419,2.142-4.051c0.158-0.59,0.817-2.995,0.817-2.995 c0.43,0.784,1.681,1.446,3.013,1.446c3.963,0,6.822-3.494,6.822-7.833C20.394,5.112,16.849,2,12.289,2"></path></svg><span class="social-label d-md-inline-flex d-none">pinterest</span><span class="screen-reader-text">Share on Pinterest</span></a><button class="nevo-toggle social-share-text d-inline-flex align-self-center" aria-expanded="true"><span class="screen-reader-text">Share More</span>More +</button><div class="social-hidden d-flex flex-wrap align-items-center cv-col-12 justify-content-center"><a class="social-icons nevo-linkedin d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Linkedin" href="https://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&title=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="linkedin " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M6.52,22h-4.13V8.667h4.13V22z M4.436,6.92c-1.349,0-2.442-1.101-2.442-2.46C1.994,3.102,3.087,2,4.436,2s2.442,1.102,2.442,2.46C6.877,5.819,5.784,6.92,4.436,6.92zM21.994,22h-4.109c0,0,0-5.079,0-6.999c0-1.919-0.73-2.991-2.249-2.991c-1.652,0-2.515,1.116-2.515,2.991c0,2.054,0,6.999,0,6.999h-3.96V8.667h3.96v1.796c0,0,1.191-2.202,4.02-2.202c2.828,0,4.853,1.727,4.853,5.298C21.994,17.129,21.994,22,21.994,22z"></path></svg><span class="social-label d-md-inline-flex d-none">linkedin</span><span class="screen-reader-text">Share on Linkedin</span></a><a class="social-icons nevo-vk d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Vk" href="https://vk.com/share.php?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="vk " width="22" height="22" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M22,7.1c0.2,0.4-0.4,1.5-1.6,3.1c-0.2,0.2-0.4,0.5-0.7,0.9c-0.5,0.7-0.9,1.1-0.9,1.4c-0.1,0.3-0.1,0.6,0.1,0.8 c0.1,0.1,0.4,0.4,0.8,0.9h0l0,0c1,0.9,1.6,1.7,2,2.3c0,0,0,0.1,0.1,0.1c0,0.1,0,0.1,0.1,0.3c0,0.1,0,0.2,0,0.4 c0,0.1-0.1,0.2-0.3,0.3c-0.1,0.1-0.4,0.1-0.6,0.1l-2.7,0c-0.2,0-0.4,0-0.6-0.1c-0.2-0.1-0.4-0.1-0.5-0.2l-0.2-0.1 c-0.2-0.1-0.5-0.4-0.7-0.7s-0.5-0.6-0.7-0.8c-0.2-0.2-0.4-0.4-0.6-0.6C14.8,15,14.6,15,14.4,15c0,0,0,0-0.1,0c0,0-0.1,0.1-0.2,0.2 c-0.1,0.1-0.2,0.2-0.2,0.3c-0.1,0.1-0.1,0.3-0.2,0.5c-0.1,0.2-0.1,0.5-0.1,0.8c0,0.1,0,0.2,0,0.3c0,0.1-0.1,0.2-0.1,0.2l0,0.1 c-0.1,0.1-0.3,0.2-0.6,0.2h-1.2c-0.5,0-1,0-1.5-0.2c-0.5-0.1-1-0.3-1.4-0.6s-0.7-0.5-1.1-0.7s-0.6-0.4-0.7-0.6l-0.3-0.3 c-0.1-0.1-0.2-0.2-0.3-0.3s-0.4-0.5-0.7-0.9s-0.7-1-1.1-1.6c-0.4-0.6-0.8-1.3-1.3-2.2C2.9,9.4,2.5,8.5,2.1,7.5C2,7.4,2,7.3,2,7.2 c0-0.1,0-0.1,0-0.2l0-0.1c0.1-0.1,0.3-0.2,0.6-0.2l2.9,0c0.1,0,0.2,0,0.2,0.1S5.9,6.9,5.9,7L6,7c0.1,0.1,0.2,0.2,0.3,0.3 C6.4,7.7,6.5,8,6.7,8.4C6.9,8.8,7,9,7.1,9.2l0.2,0.3c0.2,0.4,0.4,0.8,0.6,1.1c0.2,0.3,0.4,0.5,0.5,0.7s0.3,0.3,0.4,0.4 c0.1,0.1,0.3,0.1,0.4,0.1c0.1,0,0.2,0,0.3-0.1c0,0,0,0,0.1-0.1c0,0,0.1-0.1,0.1-0.2c0.1-0.1,0.1-0.3,0.1-0.5c0-0.2,0.1-0.5,0.1-0.8 c0-0.4,0-0.8,0-1.3c0-0.3,0-0.5-0.1-0.8c0-0.2-0.1-0.4-0.1-0.5L9.6,7.6C9.4,7.3,9.1,7.2,8.7,7.1C8.6,7.1,8.6,7,8.7,6.9 C8.9,6.7,9,6.6,9.1,6.5c0.4-0.2,1.2-0.3,2.5-0.3c0.6,0,1,0.1,1.4,0.1c0.1,0,0.3,0.1,0.3,0.1c0.1,0.1,0.2,0.1,0.2,0.3 c0,0.1,0.1,0.2,0.1,0.3s0,0.3,0,0.5c0,0.2,0,0.4,0,0.6c0,0.2,0,0.4,0,0.7c0,0.3,0,0.6,0,0.9c0,0.1,0,0.2,0,0.4c0,0.2,0,0.4,0,0.5 c0,0.1,0,0.3,0,0.4s0.1,0.3,0.1,0.4c0.1,0.1,0.1,0.2,0.2,0.3c0.1,0,0.1,0,0.2,0c0.1,0,0.2,0,0.3-0.1c0.1-0.1,0.2-0.2,0.4-0.4 s0.3-0.4,0.5-0.7c0.2-0.3,0.5-0.7,0.7-1.1c0.4-0.7,0.8-1.5,1.1-2.3c0-0.1,0.1-0.1,0.1-0.2c0-0.1,0.1-0.1,0.1-0.1l0,0l0.1,0 c0,0,0,0,0.1,0s0.2,0,0.2,0l3,0c0.3,0,0.5,0,0.7,0S21.9,7,21.9,7L22,7.1z"></path></svg><span class="social-label d-md-inline-flex d-none">vk</span><span class="screen-reader-text">Share on Vk</span></a><a class="social-icons nevo-reddit d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Reddit" href="https://www.reddit.com/submit?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&text=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="reddit " width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M22,11.816c0-1.256-1.021-2.277-2.277-2.277c-0.593,0-1.122,0.24-1.526,0.614c-1.481-0.965-3.455-1.594-5.647-1.69 l1.171-3.702l3.18,0.748c0.008,1.028,0.846,1.862,1.876,1.862c1.035,0,1.877-0.842,1.877-1.878c0-1.035-0.842-1.877-1.877-1.877 c-0.769,0-1.431,0.466-1.72,1.13l-3.508-0.826c-0.203-0.047-0.399,0.067-0.46,0.261l-1.35,4.268 c-2.316,0.038-4.411,0.67-5.97,1.671C5.368,9.765,4.853,9.539,4.277,9.539C3.021,9.539,2,10.56,2,11.816 c0,0.814,0.433,1.523,1.078,1.925c-0.037,0.221-0.061,0.444-0.061,0.672c0,3.292,4.011,5.97,8.941,5.97s8.941-2.678,8.941-5.97 c0-0.214-0.02-0.424-0.053-0.632C21.533,13.39,22,12.661,22,11.816z M18.776,4.394c0.606,0,1.1,0.493,1.1,1.1s-0.493,1.1-1.1,1.1 s-1.1-0.494-1.1-1.1S18.169,4.394,18.776,4.394z M2.777,11.816c0-0.827,0.672-1.5,1.499-1.5c0.313,0,0.598,0.103,0.838,0.269 c-0.851,0.676-1.477,1.479-1.812,2.36C2.983,12.672,2.777,12.27,2.777,11.816z M11.959,19.606c-4.501,0-8.164-2.329-8.164-5.193 S7.457,9.22,11.959,9.22s8.164,2.329,8.164,5.193S16.46,19.606,11.959,19.606z M20.636,13.001c-0.326-0.89-0.948-1.701-1.797-2.384 c0.248-0.186,0.55-0.301,0.883-0.301c0.827,0,1.5,0.673,1.5,1.5C21.223,12.299,20.992,12.727,20.636,13.001z M8.996,14.704 c-0.76,0-1.397-0.616-1.397-1.376c0-0.76,0.637-1.397,1.397-1.397c0.76,0,1.376,0.637,1.376,1.397 C10.372,14.088,9.756,14.704,8.996,14.704z M16.401,13.328c0,0.76-0.616,1.376-1.376,1.376c-0.76,0-1.399-0.616-1.399-1.376 c0-0.76,0.639-1.397,1.399-1.397C15.785,11.931,16.401,12.568,16.401,13.328z M15.229,16.708c0.152,0.152,0.152,0.398,0,0.55 c-0.674,0.674-1.727,1.002-3.219,1.002c-0.004,0-0.007-0.002-0.011-0.002c-0.004,0-0.007,0.002-0.011,0.002 c-1.492,0-2.544-0.328-3.218-1.002c-0.152-0.152-0.152-0.398,0-0.55c0.152-0.152,0.399-0.151,0.55,0 c0.521,0.521,1.394,0.775,2.669,0.775c0.004,0,0.007,0.002,0.011,0.002c0.004,0,0.007-0.002,0.011-0.002 c1.275,0,2.148-0.253,2.669-0.775C14.831,16.556,15.078,16.556,15.229,16.708z"></path></svg><span class="social-label d-md-inline-flex d-none">reddit</span><span class="screen-reader-text">Share on Reddit</span></a><a class="social-icons nevo-tumblr d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Tumblr" href="https://www.tumblr.com/widgets/share/tool?canonicalUrl=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="tumblr " width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M16.749,17.396c-0.357,0.17-1.041,0.319-1.551,0.332c-1.539,0.041-1.837-1.081-1.85-1.896V9.847h3.861V6.937h-3.847V2.039 c0,0-2.77,0-2.817,0c-0.046,0-0.127,0.041-0.138,0.144c-0.165,1.499-0.867,4.13-3.783,5.181v2.484h1.945v6.282 c0,2.151,1.587,5.206,5.775,5.135c1.413-0.024,2.982-0.616,3.329-1.126L16.749,17.396z"></path></svg><span class="social-label d-md-inline-flex d-none">tumblr</span><span class="screen-reader-text">Share on Tumblr</span></a><a class="social-icons nevo-viadeo d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Viadeo" href="https://viadeo.com/?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&title=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="viadeo " width="18" height="18" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M21.046,0.546c-1.011,2.159-2.882,2.557-2.882,2.557c-1.87,0.476-2.525,1.202-2.525,1.202c-1.871,1.889-0.396,4.181-0.396,4.181c4.039-0.922,5.514-4.259,5.514-4.259c-0.181,2.242-4.986,4.887-4.986,4.887c1.592,1.565,3.111,1.374,4.112,0.775c1.328-0.795,1.968-2.537,1.968-2.537C23.142,3.484,21.046,0.546,21.046,0.546zM14.424,7.082c0.044,0.662,0.772,12.464-5.445,14.829c0,0,0.571,0.108,1.216,0.079c0,0,7.912-5.015,4.283-14.745C14.478,7.244,14.463,7.185,14.424,7.082z M11.113,0c1.988,3.356,3.067,6.364,3.311,7.081V7.052C13.936,1.88,11.113,0,11.113,0z"></path><path d="M16.465,15.438c0,1.192-0.283,2.301-0.85,3.332c-0.566,1.031-1.328,1.825-2.295,2.385c-0.962,0.559-2.022,0.839-3.169,0.839c-1.153,0-2.207-0.28-3.169-0.839C6.02,20.595,5.253,19.8,4.687,18.769c-0.566-1.03-0.85-2.139-0.85-3.332c0-1.845,0.62-3.42,1.861-4.725c1.24-1.3,2.725-1.953,4.454-1.953c0.82,0,1.587,0.152,2.3,0.447c0.073-0.756,0.337-1.457,0.625-2.032c-0.899-0.329-1.87-0.491-2.92-0.491c-2.496,0-4.561,0.923-6.197,2.772c-1.485,1.673-2.232,3.656-2.232,5.932c0,2.301,0.786,4.313,2.354,6.031C5.655,23.141,7.677,24,10.152,24c2.466,0,4.488-0.859,6.056-2.581c1.573-1.722,2.354-3.734,2.354-6.031c0-1.232-0.215-2.375-0.645-3.425c-0.723,0.447-1.406,0.677-1.973,0.8C16.295,13.578,16.465,14.471,16.465,15.438z"></path></svg><span class="social-label d-md-inline-flex d-none">viadeo</span><span class="screen-reader-text">Share on Viadeo</span></a><a class="social-icons nevo-buffer d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Buffer" href="https://bufferapp.com/add?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&text=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="buffer " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 350.001 350.001" fill="currentColor"><path d="M14.092,88.769L172.1,164.826c1.833,0.882,3.969,0.882,5.802,0L335.91,88.768c5.051-2.429,5.051-9.621,0-12.051L177.9,0.662c-1.832-0.882-3.968-0.882-5.801,0L14.092,76.718C9.041,79.148,9.041,86.339,14.092,88.769z"/><path d="M14.092,181.024L172.1,257.082c1.833,0.882,3.969,0.882,5.802,0l158.008-76.057c5.051-2.429,5.051-9.621,0-12.053l-33.336-16.044l-105.881,50.962c-6.726,3.236-14.228,4.946-21.692,4.946s-14.964-1.71-21.702-4.951L47.43,152.924l-33.339,16.047C9.041,171.404,9.041,178.595,14.092,181.024z"/><path d="M335.91,261.229l-33.336-16.047l-105.881,50.965c-6.726,3.236-14.228,4.946-21.692,4.946s-14.964-1.71-21.702-4.951L47.43,245.182L14.091,261.23c-5.051,2.432-5.051,9.621,0,12.053l158.008,76.057c1.833,0.882,3.969,0.882,5.802,0l158.008-76.057C340.961,270.85,340.961,263.66,335.91,261.229z"/></svg><span class="social-label d-md-inline-flex d-none">buffer</span><span class="screen-reader-text">Share on Buffer</span></a><a class="social-icons nevo-pocket d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Pocket" href="https://getpocket.com/save?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="pocket " width="18" height="18" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M21.927,4.194C21.667,3.48,20.982,3,20.222,3h-0.01h-1.721H3.839C3.092,3,2.411,3.47,2.145,4.17 C2.066,4.378,2.026,4.594,2.026,4.814v6.035l0.069,1.2c0.29,2.73,1.707,5.115,3.899,6.778c0.039,0.03,0.079,0.059,0.119,0.089 l0.025,0.018c1.175,0.859,2.491,1.441,3.91,1.727c0.655,0.132,1.325,0.2,1.991,0.2c0.615,0,1.232-0.057,1.839-0.17 c0.073-0.014,0.145-0.028,0.219-0.044c0.02-0.004,0.042-0.012,0.064-0.023c1.359-0.297,2.621-0.864,3.753-1.691l0.025-0.018 c0.04-0.029,0.08-0.058,0.119-0.089c2.192-1.664,3.609-4.049,3.898-6.778l0.069-1.2V4.814C22.026,4.605,22,4.398,21.927,4.194z M17.692,10.481l-4.704,4.512c-0.266,0.254-0.608,0.382-0.949,0.382c-0.342,0-0.684-0.128-0.949-0.382l-4.705-4.512 C5.838,9.957,5.82,9.089,6.344,8.542c0.524-0.547,1.392-0.565,1.939-0.04l3.756,3.601l3.755-3.601 c0.547-0.524,1.415-0.506,1.939,0.04C18.256,9.089,18.238,9.956,17.692,10.481z"></path></svg><span class="social-label d-md-inline-flex d-none">pocket</span><span class="screen-reader-text">Share on Pocket</span></a><a class="social-icons nevo-whatsapp d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Whatsapp" href="whatsapp://send?text=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025 https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="whatsapp " width="18" height="18" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 90 90" fill="currentColor"><path d="M90,43.841c0,24.213-19.779,43.841-44.182,43.841c-7.747,0-15.025-1.98-21.357-5.455L0,90l7.975-23.522c-4.023-6.606-6.34-14.354-6.34-22.637C1.635,19.628,21.416,0,45.818,0C70.223,0,90,19.628,90,43.841z M45.818,6.982c-20.484,0-37.146,16.535-37.146,36.859c0,8.065,2.629,15.534,7.076,21.61L11.107,79.14l14.275-4.537c5.865,3.851,12.891,6.097,20.437,6.097c20.481,0,37.146-16.533,37.146-36.857S66.301,6.982,45.818,6.982z M68.129,53.938c-0.273-0.447-0.994-0.717-2.076-1.254c-1.084-0.537-6.41-3.138-7.4-3.495c-0.993-0.358-1.717-0.538-2.438,0.537c-0.721,1.076-2.797,3.495-3.43,4.212c-0.632,0.719-1.263,0.809-2.347,0.271c-1.082-0.537-4.571-1.673-8.708-5.333c-3.219-2.848-5.393-6.364-6.025-7.441c-0.631-1.075-0.066-1.656,0.475-2.191c0.488-0.482,1.084-1.255,1.625-1.882c0.543-0.628,0.723-1.075,1.082-1.793c0.363-0.717,0.182-1.344-0.09-1.883c-0.27-0.537-2.438-5.825-3.34-7.977c-0.902-2.15-1.803-1.792-2.436-1.792c-0.631,0-1.354-0.09-2.076-0.09c-0.722,0-1.896,0.269-2.889,1.344c-0.992,1.076-3.789,3.676-3.789,8.963c0,5.288,3.879,10.397,4.422,11.113c0.541,0.716,7.49,11.92,18.5,16.223C58.2,65.771,58.2,64.336,60.186,64.156c1.984-0.179,6.406-2.599,7.312-5.107C68.398,56.537,68.398,54.386,68.129,53.938z"></path></svg><span class="social-label d-md-inline-flex d-none">whatsapp</span><span class="screen-reader-text">Share on Whatsapp</span></a><a class="social-icons nevo-viber d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Viber" href="viber://forward?text=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025 https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="viber " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M14.957,5.825c0.764,0.163,1.349,0.453,1.849,0.921c0.643,0.608,0.996,1.343,1.151,2.4c0.105,0.689,0.062,0.96-0.182,1.184c-0.229,0.209-0.651,0.217-0.907,0.019c-0.186-0.139-0.244-0.286-0.287-0.685c-0.05-0.53-0.143-0.902-0.302-1.246c-0.341-0.731-0.942-1.111-1.957-1.235c-0.477-0.058-0.62-0.112-0.775-0.294c-0.283-0.337-0.174-0.883,0.217-1.084c0.147-0.074,0.209-0.081,0.535-0.062C14.5,5.755,14.798,5.79,14.957,5.825z M14.131,2.902c2.353,0.344,4.175,1.436,5.369,3.209c0.671,0.999,1.089,2.171,1.233,3.429c0.05,0.461,0.05,1.3-0.004,1.44c-0.051,0.131-0.213,0.309-0.353,0.383c-0.151,0.078-0.473,0.07-0.651-0.023c-0.298-0.151-0.388-0.391-0.388-1.041c0-1.002-0.26-2.059-0.709-2.88c-0.512-0.937-1.256-1.711-2.163-2.249c-0.779-0.465-1.93-0.809-2.981-0.894c-0.38-0.031-0.589-0.108-0.733-0.275c-0.221-0.252-0.244-0.592-0.058-0.875C12.895,2.813,13.205,2.763,14.131,2.902zM5.002,0.514c0.136,0.047,0.345,0.155,0.465,0.232c0.736,0.488,2.787,3.108,3.458,4.416c0.384,0.747,0.512,1.3,0.392,1.711C9.193,7.314,8.988,7.547,8.069,8.286C7.701,8.584,7.356,8.89,7.301,8.971C7.162,9.172,7.049,9.567,7.049,9.846c0.004,0.646,0.423,1.819,0.973,2.721c0.426,0.7,1.19,1.598,1.946,2.287c0.888,0.813,1.671,1.366,2.555,1.804c1.136,0.565,1.83,0.708,2.337,0.472c0.128-0.058,0.264-0.135,0.306-0.17c0.039-0.035,0.337-0.399,0.663-0.801c0.628-0.79,0.771-0.917,1.202-1.065c0.547-0.186,1.105-0.135,1.667,0.151c0.427,0.221,1.357,0.797,1.957,1.215c0.791,0.553,2.481,1.931,2.71,2.206c0.403,0.495,0.473,1.13,0.202,1.831c-0.287,0.739-1.403,2.125-2.182,2.717c-0.705,0.534-1.206,0.739-1.865,0.77c-0.543,0.027-0.768-0.019-1.461-0.306c-5.442-2.241-9.788-5.585-13.238-10.179c-1.802-2.4-3.175-4.888-4.113-7.47c-0.547-1.505-0.574-2.16-0.124-2.93c0.194-0.325,1.019-1.13,1.62-1.579c1-0.743,1.461-1.018,1.83-1.095C4.285,0.371,4.723,0.414,5.002,0.514z M13.864,0.096c1.334,0.166,2.411,0.487,3.593,1.065c1.163,0.569,1.907,1.107,2.892,2.086c0.923,0.925,1.434,1.626,1.977,2.713c0.756,1.517,1.186,3.321,1.26,5.306c0.027,0.677,0.008,0.828-0.147,1.022c-0.294,0.375-0.942,0.313-1.163-0.108c-0.07-0.139-0.089-0.259-0.112-0.801c-0.039-0.832-0.097-1.37-0.213-2.013c-0.458-2.52-1.667-4.532-3.597-5.976c-1.609-1.208-3.272-1.796-5.45-1.924c-0.737-0.043-0.864-0.07-1.031-0.197c-0.31-0.244-0.326-0.817-0.027-1.084c0.182-0.166,0.31-0.19,0.942-0.17C13.116,0.027,13.6,0.065,13.864,0.096z"></path></svg><span class="social-label d-md-inline-flex d-none">viber</span><span class="screen-reader-text">Share on Viber</span></a><a class="social-icons nevo-email d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Email to a Friend" href="mailto:?subject=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025&body=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="bi-envelope-fill " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewBox="0 0 16 16"><path d="M.05 3.555A2 2 0 0 1 2 2h12a2 2 0 0 1 1.95 1.555L8 8.414.05 3.555ZM0 4.697v7.104l5.803-3.558L0 4.697ZM6.761 8.83l-6.57 4.027A2 2 0 0 0 2 14h12a2 2 0 0 0 1.808-1.144l-6.57-4.027L8 9.586l-1.239-.757Zm3.436-.586L16 11.801V4.697l-5.803 3.546Z"></path></svg><span class="social-label d-md-inline-flex d-none">email</span><span class="screen-reader-text">Share on Email</span></a><a class="social-icons nevo-skype d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Skype" href="https://web.skype.com/share?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="skype " width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M10.113,2.699c0.033-0.006,0.067-0.013,0.1-0.02c0.033,0.017,0.066,0.033,0.098,0.051L10.113,2.699z M2.72,10.223 c-0.006,0.034-0.011,0.069-0.017,0.103c0.018,0.032,0.033,0.064,0.051,0.095L2.72,10.223z M21.275,13.771 c0.007-0.035,0.011-0.071,0.018-0.106c-0.018-0.031-0.033-0.064-0.052-0.095L21.275,13.771z M13.563,21.199 c0.032,0.019,0.065,0.035,0.096,0.053c0.036-0.006,0.071-0.011,0.105-0.017L13.563,21.199z M22,16.386 c0,1.494-0.581,2.898-1.637,3.953c-1.056,1.057-2.459,1.637-3.953,1.637c-0.967,0-1.914-0.251-2.75-0.725 c0.036-0.006,0.071-0.011,0.105-0.017l-0.202-0.035c0.032,0.019,0.065,0.035,0.096,0.053c-0.543,0.096-1.099,0.147-1.654,0.147 c-1.275,0-2.512-0.25-3.676-0.743c-1.125-0.474-2.135-1.156-3.002-2.023c-0.867-0.867-1.548-1.877-2.023-3.002 c-0.493-1.164-0.743-2.401-0.743-3.676c0-0.546,0.049-1.093,0.142-1.628c0.018,0.032,0.033,0.064,0.051,0.095L2.72,10.223 c-0.006,0.034-0.011,0.069-0.017,0.103C2.244,9.5,2,8.566,2,7.615c0-1.493,0.582-2.898,1.637-3.953 c1.056-1.056,2.46-1.638,3.953-1.638c0.915,0,1.818,0.228,2.622,0.655c-0.033,0.007-0.067,0.013-0.1,0.02l0.199,0.031 c-0.032-0.018-0.066-0.034-0.098-0.051c0.002,0,0.003-0.001,0.004-0.001c0.586-0.112,1.187-0.169,1.788-0.169 c1.275,0,2.512,0.249,3.676,0.742c1.124,0.476,2.135,1.156,3.002,2.024c0.868,0.867,1.548,1.877,2.024,3.002 c0.493,1.164,0.743,2.401,0.743,3.676c0,0.575-0.054,1.15-0.157,1.712c-0.018-0.031-0.033-0.064-0.052-0.095l0.034,0.201 c0.007-0.035,0.011-0.071,0.018-0.106C21.754,14.494,22,15.432,22,16.386z M16.817,14.138c0-1.331-0.613-2.743-3.033-3.282 l-2.209-0.49c-0.84-0.192-1.807-0.444-1.807-1.237c0-0.794,0.679-1.348,1.903-1.348c2.468,0,2.243,1.696,3.468,1.696 c0.645,0,1.209-0.379,1.209-1.031c0-1.521-2.435-2.663-4.5-2.663c-2.242,0-4.63,0.952-4.63,3.488c0,1.221,0.436,2.521,2.839,3.123 l2.984,0.745c0.903,0.223,1.129,0.731,1.129,1.189c0,0.762-0.758,1.507-2.129,1.507c-2.679,0-2.307-2.062-3.743-2.062 c-0.645,0-1.113,0.444-1.113,1.078c0,1.236,1.501,2.886,4.856,2.886C15.236,17.737,16.817,16.199,16.817,14.138z"></path></svg><span class="social-label d-md-inline-flex d-none">skype</span><span class="screen-reader-text">Share on Skype</span></a><a class="social-icons nevo-digg d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Digg" href="https://digg.com/submit?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&title=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="digg " width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 512 512" fill="currentColor"><path d="M81.7 172.3H0v174.4h132.7V96h-51v76.3zm0 133.4H50.9v-92.3h30.8v92.3zm297.2-133.4v174.4h81.8v28.5h-81.8V416H512V172.3H378.9zm81.8 133.4h-30.8v-92.3h30.8v92.3zm-235.6 41h82.1v28.5h-82.1V416h133.3V172.3H225.1v174.4zm51.2-133.3h30.8v92.3h-30.8v-92.3zM153.3 96h51.3v51h-51.3V96zm0 76.3h51.3v174.4h-51.3V172.3z"/></svg><span class="social-label d-md-inline-flex d-none">digg</span><span class="screen-reader-text">Share on Digg</span></a><a class="social-icons nevo-myspace d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Myspace" href="https://myspace.com/post?u=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="myspace " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 30 30.000001" fill="currentColor"><defs><clipPath id="id1"><path d="M 16 2.902344 L 24 2.902344 L 24 10 L 16 10 Z M 16 2.902344 " clip-rule="nonzero"/></clipPath><clipPath id="id2"><path d="M 14 11 L 25.800781 11 L 25.800781 26.128906 L 14 26.128906 Z M 14 11 " clip-rule="nonzero"/></clipPath><clipPath id="id3"><path d="M 4.027344 10 L 11 10 L 11 20 L 4.027344 20 Z M 4.027344 10 " clip-rule="nonzero"/></clipPath></defs><path fill="currentColor" d="M 9.152344 6.128906 C 9.152344 6.386719 9.101562 6.632812 9.003906 6.871094 C 8.90625 7.105469 8.769531 7.316406 8.589844 7.496094 C 8.410156 7.679688 8.203125 7.820312 7.964844 7.917969 C 7.730469 8.015625 7.484375 8.066406 7.230469 8.066406 C 6.976562 8.066406 6.730469 8.015625 6.496094 7.917969 C 6.261719 7.820312 6.054688 7.679688 5.871094 7.496094 C 5.691406 7.316406 5.554688 7.105469 5.457031 6.871094 C 5.359375 6.632812 5.308594 6.386719 5.308594 6.128906 C 5.308594 5.871094 5.359375 5.625 5.457031 5.386719 C 5.554688 5.152344 5.691406 4.941406 5.871094 4.761719 C 6.054688 4.578125 6.261719 4.4375 6.496094 4.339844 C 6.730469 4.242188 6.976562 4.195312 7.230469 4.195312 C 7.484375 4.195312 7.730469 4.242188 7.964844 4.339844 C 8.203125 4.4375 8.410156 4.578125 8.589844 4.761719 C 8.769531 4.941406 8.90625 5.152344 9.003906 5.386719 C 9.101562 5.625 9.152344 5.871094 9.152344 6.128906 Z M 9.152344 6.128906 " fill-opacity="1" fill-rule="nonzero"/><path fill="currentColor" d="M 15.554688 6.128906 C 15.554688 6.472656 15.488281 6.800781 15.359375 7.117188 C 15.226562 7.433594 15.042969 7.710938 14.804688 7.953125 C 14.5625 8.195312 14.285156 8.382812 13.972656 8.511719 C 13.660156 8.644531 13.332031 8.710938 12.992188 8.710938 C 12.652344 8.710938 12.328125 8.644531 12.011719 8.511719 C 11.699219 8.382812 11.421875 8.195312 11.183594 7.953125 C 10.941406 7.710938 10.757812 7.433594 10.625 7.117188 C 10.496094 6.800781 10.433594 6.472656 10.433594 6.128906 C 10.433594 5.785156 10.496094 5.457031 10.625 5.140625 C 10.757812 4.824219 10.941406 4.546875 11.183594 4.304688 C 11.421875 4.0625 11.699219 3.875 12.011719 3.746094 C 12.328125 3.613281 12.652344 3.546875 12.992188 3.546875 C 13.332031 3.546875 13.660156 3.613281 13.972656 3.746094 C 14.285156 3.875 14.5625 4.0625 14.804688 4.304688 C 15.042969 4.546875 15.226562 4.824219 15.359375 5.140625 C 15.488281 5.457031 15.554688 5.785156 15.554688 6.128906 Z M 15.554688 6.128906 " fill-opacity="1" fill-rule="nonzero"/><g clip-path="url(#id1)"><path fill="currentColor" d="M 23.875 6.453125 C 23.875 6.921875 23.785156 7.375 23.605469 7.808594 C 23.429688 8.246094 23.175781 8.628906 22.84375 8.960938 C 22.515625 9.292969 22.132812 9.550781 21.703125 9.730469 C 21.269531 9.910156 20.820312 10 20.355469 10 C 19.886719 10 19.4375 9.910156 19.007812 9.730469 C 18.574219 9.550781 18.195312 9.292969 17.863281 8.960938 C 17.535156 8.628906 17.28125 8.246094 17.101562 7.808594 C 16.921875 7.375 16.832031 6.921875 16.832031 6.453125 C 16.832031 5.980469 16.921875 5.527344 17.101562 5.09375 C 17.28125 4.660156 17.535156 4.273438 17.863281 3.941406 C 18.195312 3.609375 18.574219 3.351562 19.007812 3.171875 C 19.4375 2.992188 19.886719 2.902344 20.355469 2.902344 C 20.820312 2.902344 21.269531 2.992188 21.703125 3.171875 C 22.132812 3.351562 22.515625 3.609375 22.84375 3.941406 C 23.175781 4.273438 23.429688 4.660156 23.605469 5.09375 C 23.785156 5.527344 23.875 5.980469 23.875 6.453125 Z M 23.875 6.453125 " fill-opacity="1" fill-rule="nonzero"/></g><g clip-path="url(#id2)"><path fill="currentColor" d="M 25.796875 26.128906 L 25.796875 17.417969 C 25.796875 14.390625 23.359375 11.933594 20.355469 11.933594 C 17.347656 11.933594 14.914062 14.390625 14.914062 17.417969 L 14.914062 26.128906 Z M 25.796875 26.128906 " fill-opacity="1" fill-rule="nonzero"/></g><path fill="currentColor" d="M 16.832031 22.257812 L 16.832031 14.195312 C 16.832031 12.234375 15.257812 10.644531 13.3125 10.644531 C 11.367188 10.644531 9.792969 12.234375 9.792969 14.195312 L 9.792969 22.257812 Z M 16.832031 22.257812 " fill-opacity="1" fill-rule="nonzero"/><g clip-path="url(#id3)"><path fill="currentColor" d="M 10.433594 19.03125 L 10.433594 13.226562 C 10.433594 11.445312 9 10 7.230469 10 C 5.464844 10 4.03125 11.445312 4.03125 13.226562 L 4.03125 19.03125 Z M 10.433594 19.03125 " fill-opacity="1" fill-rule="nonzero"/></g></svg><span class="social-label d-md-inline-flex d-none">myspace</span><span class="screen-reader-text">Share on Myspace</span></a><a class="social-icons nevo-blogger d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Blogger" href="https://www.blogger.com/blog_this.pyra?t&u=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&title=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="blogger " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 448 512" fill="currentColor"><path d="M446.6 222.7c-1.8-8-6.8-15.4-12.5-18.5-1.8-1-13-2.2-25-2.7-20.1-.9-22.3-1.3-28.7-5-10.1-5.9-12.8-12.3-12.9-29.5-.1-33-13.8-63.7-40.9-91.3-19.3-19.7-40.9-33-65.5-40.5-5.9-1.8-19.1-2.4-63.3-2.9-69.4-.8-84.8.6-108.4 10C45.9 59.5 14.7 96.1 3.3 142.9 1.2 151.7.7 165.8.2 246.8c-.6 101.5.1 116.4 6.4 136.5 15.6 49.6 59.9 86.3 104.4 94.3 14.8 2.7 197.3 3.3 216 .8 32.5-4.4 58-17.5 81.9-41.9 17.3-17.7 28.1-36.8 35.2-62.1 4.9-17.6 4.5-142.8 2.5-151.7zm-322.1-63.6c7.8-7.9 10-8.2 58.8-8.2 43.9 0 45.4.1 51.8 3.4 9.3 4.7 13.4 11.3 13.4 21.9 0 9.5-3.8 16.2-12.3 21.6-4.6 2.9-7.3 3.1-50.3 3.3-26.5.2-47.7-.4-50.8-1.2-16.6-4.7-22.8-28.5-10.6-40.8zm191.8 199.8l-14.9 2.4-77.5.9c-68.1.8-87.3-.4-90.9-2-7.1-3.1-13.8-11.7-14.9-19.4-1.1-7.3 2.6-17.3 8.2-22.4 7.1-6.4 10.2-6.6 97.3-6.7 89.6-.1 89.1-.1 97.6 7.8 12.1 11.3 9.5 31.2-4.9 39.4z"/></svg><span class="social-label d-md-inline-flex d-none">blogger</span><span class="screen-reader-text">Share on Blogger</span></a><a class="social-icons nevo-yahoomail d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Yahoo mail" href="https://compose.mail.yahoo.com/?body=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="yahoomail " width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"/> <line x1="3" y1="6" x2="8" y2="6" /> <line x1="7" y1="18" x2="14" y2="18" /> <path d="M4.5 6l5.5 7v5" /> <path d="M10 13l6 -5" /> <line x1="12.5" y1="8" x2="17.5" y2="8" /> <line x1="20" y1="11" x2="20" y2="15" /> <line x1="20" y1="18" x2="20" y2="18.01" /></svg><span class="social-label d-md-inline-flex d-none">YahooMail</span><span class="screen-reader-text">Share on Yahoo mail</span></a><a class="social-icons nevo-telegram d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Telegram" href="https://telegram.me/share/url?url=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&title=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="telegram " width="18" height="18" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 32 32" fill="currentColor"><path d="M29.919 6.163l-4.225 19.925c-0.319 1.406-1.15 1.756-2.331 1.094l-6.438-4.744-3.106 2.988c-0.344 0.344-0.631 0.631-1.294 0.631l0.463-6.556 11.931-10.781c0.519-0.462-0.113-0.719-0.806-0.256l-14.75 9.288-6.35-1.988c-1.381-0.431-1.406-1.381 0.288-2.044l24.837-9.569c1.15-0.431 2.156 0.256 1.781 2.013z"/></svg><span class="social-label d-md-inline-flex d-none">telegram</span><span class="screen-reader-text">Share on Telegram</span></a><a class="social-icons nevo-facebookmg d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Facebook Messenger" href="fb-messenger://share/?link=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="facebookmg " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 512 512" fill="currentColor"><path d="M256.55 8C116.52 8 8 110.34 8 248.57c0 72.3 29.71 134.78 78.07 177.94 8.35 7.51 6.63 11.86 8.05 58.23A19.92 19.92 0 0 0 122 502.31c52.91-23.3 53.59-25.14 62.56-22.7C337.85 521.8 504 423.7 504 248.57 504 110.34 396.59 8 256.55 8zm149.24 185.13l-73 115.57a37.37 37.37 0 0 1-53.91 9.93l-58.08-43.47a15 15 0 0 0-18 0l-78.37 59.44c-10.46 7.93-24.16-4.6-17.11-15.67l73-115.57a37.36 37.36 0 0 1 53.91-9.93l58.06 43.46a15 15 0 0 0 18 0l78.41-59.38c10.44-7.98 24.14 4.54 17.09 15.62z"/></svg><span class="social-label d-md-inline-flex d-none">Messenger</span><span class="screen-reader-text">Share on Facebook Messenger</span></a><a class="social-icons nevo-gmail d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Gmail" href="https://mail.google.com/mail/u/0/?view=cm&fs=1&su=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025&body=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&ui=2&tf=1"><svg class="gmail " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path stroke="none" d="M0 0h24v24H0z" fill="none"/> <path d="M16 20h3a1 1 0 0 0 1 -1v-14a1 1 0 0 0 -1 -1h-3v16z" /> <path d="M5 20h3v-16h-3a1 1 0 0 0 -1 1v14a1 1 0 0 0 1 1z" /> <path d="M16 4l-4 4l-4 -4" /> <path d="M4 6.5l8 7.5l8 -7.5" /></svg><span class="social-label d-md-inline-flex d-none">gmail</span><span class="screen-reader-text">Share on Gmail</span></a><a class="social-icons nevo-amazon d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on Amazon" href="https://www.amazon.com/gp/wishlist/static-add?u=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3&t=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025"><svg class="amazon " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor"><path d="M13.582,8.182C11.934,8.367,9.78,8.49,8.238,9.166c-1.781,0.769-3.03,2.337-3.03,4.644 c0,2.953,1.86,4.429,4.253,4.429c2.02,0,3.125-0.477,4.685-2.065c0.516,0.747,0.685,1.109,1.629,1.894 c0.212,0.114,0.483,0.103,0.672-0.066l0.006,0.006c0.567-0.505,1.599-1.401,2.18-1.888c0.231-0.188,0.19-0.496,0.009-0.754 c-0.52-0.718-1.072-1.303-1.072-2.634V8.305c0-1.876,0.133-3.599-1.249-4.891C15.23,2.369,13.422,2,12.04,2 C9.336,2,6.318,3.01,5.686,6.351C5.618,6.706,5.877,6.893,6.109,6.945l2.754,0.298C9.121,7.23,9.308,6.977,9.357,6.72 c0.236-1.151,1.2-1.706,2.284-1.706c0.584,0,1.249,0.215,1.595,0.738c0.398,0.584,0.346,1.384,0.346,2.061V8.182z M13.049,14.088 c-0.451,0.8-1.169,1.291-1.967,1.291c-1.09,0-1.728-0.83-1.728-2.061c0-2.42,2.171-2.86,4.227-2.86v0.615 C13.582,12.181,13.608,13.104,13.049,14.088z M20.683,19.339C18.329,21.076,14.917,22,11.979,22c-4.118,0-7.826-1.522-10.632-4.057 c-0.22-0.199-0.024-0.471,0.241-0.317c3.027,1.762,6.771,2.823,10.639,2.823c2.608,0,5.476-0.541,8.115-1.66 C20.739,18.62,21.072,19.051,20.683,19.339z M21.336,21.043c-0.194,0.163-0.379,0.076-0.293-0.139 c0.284-0.71,0.92-2.298,0.619-2.684c-0.301-0.386-1.99-0.183-2.749-0.092c-0.23,0.027-0.266-0.173-0.059-0.319 c1.348-0.946,3.555-0.673,3.811-0.356C22.925,17.773,22.599,19.986,21.336,21.043z"></path></svg><span class="social-label d-md-inline-flex d-none">amazon</span><span class="screen-reader-text">Share on Amazon</span></a><a class="social-icons nevo-sms d-inline-flex align-items-center" target="_blank" rel="noopener external nofollow" title="Share on SMS" href="sms:&body=S%C3%81CH+GI%C3%81O+KHOA+To%C3%A1n+l%E1%BB%9Bp+5+%E2%80%93+2025https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3"><svg class="sms " width="16" height="16" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 512 512" fill="currentColor"><path d="M256 32C114.6 32 .0137 125.1 .0137 240c0 49.59 21.39 95 56.99 130.7c-12.5 50.39-54.31 95.3-54.81 95.8C0 468.8-.5938 472.2 .6875 475.2C1.1 478.2 4.813 480 8 480c66.31 0 116-31.8 140.6-51.41C181.3 440.9 217.6 448 256 448C397.4 448 512 354.9 512 240S397.4 32 256 32zM167.3 271.9C163.9 291.1 146.3 304 121.1 304c-4.031 0-8.25-.3125-12.59-1C101.1 301.8 92.81 298.8 85.5 296.1c-8.312-3-14.06-12.66-11.09-20.97S85 261.1 93.38 264.9c6.979 2.498 14.53 5.449 20.88 6.438C125.7 273.1 135 271 135.8 266.4c1.053-5.912-10.84-8.396-24.56-12.34c-12.12-3.531-44.28-12.97-38.63-46c4.062-23.38 27.31-35.91 58-31.09c5.906 .9062 12.44 2.844 18.59 4.969c8.344 2.875 12.78 12 9.906 20.34C156.3 210.7 147.2 215.1 138.8 212.2c-4.344-1.5-8.938-2.938-13.09-3.594c-11.22-1.656-20.72 .4062-21.5 4.906C103.2 219.2 113.6 221.5 124.4 224.6C141.4 229.5 173.1 238.5 167.3 271.9zM320 288c0 8.844-7.156 16-16 16S288 296.8 288 288V240l-19.19 25.59c-6.062 8.062-19.55 8.062-25.62 0L224 240V288c0 8.844-7.156 16-16 16S192 296.8 192 288V192c0-6.875 4.406-12.1 10.94-15.18c6.5-2.094 13.71 .0586 17.87 5.59L256 229.3l35.19-46.93c4.156-5.531 11.4-7.652 17.87-5.59C315.6 179 320 185.1 320 192V288zM439.3 271.9C435.9 291.1 418.3 304 393.1 304c-4.031 0-8.25-.3125-12.59-1c-8.25-1.25-16.56-4.25-23.88-6.906c-8.312-3-14.06-12.66-11.09-20.97s10.59-13.16 18.97-10.19c6.979 2.498 14.53 5.449 20.88 6.438c11.44 1.719 20.78-.375 21.56-4.938c1.053-5.912-10.84-8.396-24.56-12.34c-12.12-3.531-44.28-12.97-38.63-46c4.031-23.38 27.25-35.91 58-31.09c5.906 .9062 12.44 2.844 18.59 4.969c8.344 2.875 12.78 12 9.906 20.34c-2.875 8.344-11.94 12.81-20.34 9.906c-4.344-1.5-8.938-2.938-13.09-3.594c-11.19-1.656-20.72 .4062-21.5 4.906C375.2 219.2 385.6 221.5 396.4 224.6C413.4 229.5 445.1 238.5 439.3 271.9z"/></svg><span class="social-label d-md-inline-flex d-none">SMS</span><span class="screen-reader-text">Share on SMS</span></a></div></div> <nav id="nav-below" class="post-navigation" aria-label="Single Post"> <span class="screen-reader-text">Post navigation</span> <div class="nav-next text-start"><span class="entry-meta d-block">Previous post</span><h3 class="prev"><a href="https://dethi.io.vn/blog/sach-giao-khoa-toan-lop-5-2025-2" rel="prev">SÁCH GIÁO KHOA Toán lớp 5 – 2025</a></h3></div><div class="nav-previous text-end"><span class="entry-meta d-block">Next post</span><h3 class="next"><a href="https://dethi.io.vn/blog/bai-tap-co-ban-toan-9-ket-noi-tri-thuc-file-word-sach-toan-2" rel="next">BÀI TẬP CƠ BẢN TOÁN 9 KẾT NỐI TRI THỨC – FILE WORD – Sách Toán</a></h3></div> </nav> <div class="post-author nevo-author-info" ><div class="author-avatar alignleft"><img class="user-avatar avatar-80" height="80" width="80" src="https://secure.gravatar.com/avatar/2723dca9f3d79730eec664b7a315ef25704ac9b00e15db1352f388ae07d1c93d?s=96&d=mm&r=g" alt="" loading="lazy"></div><div class="author-content" style="padding-left:calc(80px + 1.5em);"><h3 class="author-heading text-capitalize"><a href="https://dethi.io.vn/author/admin" title="Author admin" rel="author">admin</a></h3><div class="author-desc"></div></div></div><div class="related-posts "><div class="heading-title"><h3 class="related-post-title general-title">Related Posts</h3></div><div class="cv-row row-cols-1 row-cols-sm-3 row-cols-lg-3"> <article id="post-1964" class="post-1964 post type-post status-publish format-standard hentry category-blog" itemtype="https://schema.org/CreativeWork" itemscope> <div class="article-inner h-100"> <div class="related-post-content"> <header class="entry-header" aria-label="Content"> <h4 class="entry-title" itemprop="headline"><a href="https://dethi.io.vn/blog/test-quiz-bank" title="test quiz bank" rel="bookmark">test quiz bank</a></h4> </header> </div></div></article> <article id="post-1929" class="post-1929 post type-post status-publish format-standard hentry category-blog" itemtype="https://schema.org/CreativeWork" itemscope> <div class="article-inner h-100"> <div class="related-post-content"> <header class="entry-header" aria-label="Content"> <h4 class="entry-title" itemprop="headline"><a href="https://dethi.io.vn/blog/tn-thpt-2025" title="tn thpt 2025" rel="bookmark">tn thpt 2025</a></h4> </header> </div></div></article> <article id="post-1663" class="post-1663 post type-post status-publish format-standard hentry category-blog" itemtype="https://schema.org/CreativeWork" itemscope> <div class="article-inner h-100"> <div class="related-post-content"> <header class="entry-header" aria-label="Content"> <h4 class="entry-title" itemprop="headline"><a href="https://dethi.io.vn/blog/1663-2" title="Test quiz type exam 1.7 group" rel="bookmark">Test quiz type exam 1.7 group</a></h4> </header> </div></div></article></div></div></div> <div class="comments-area comments-callback"> <div id="comments" class="comments nevo-dropdown"> <div id="respond" class="comment-respond"> <div class="heading-title"><h3 id="reply-title" class="comment-reply-title general-title cv-mb-0">Leave a Comment <small><a rel="nofollow" id="cancel-comment-reply-link" href="/blog/sach-giao-khoa-toan-lop-5-2025-3#respond" style="display:none;">Hủy</a></small></h3></div><p class="must-log-in">Bạn phải <a href="https://dethi.io.vn/wp-login.php?redirect_to=https%3A%2F%2Fdethi.io.vn%2Fblog%2Fsach-giao-khoa-toan-lop-5-2025-3">đăng nhập</a> để gửi bình luận.</p> </div><!-- #respond --> </div><!-- #comments --> </div> </main><!-- .site-main --> </div> <div class="widget-area sidebar is-right-sidebar" id="right-sidebar" itemtype="https://schema.org/WPSideBar" itemscope> <div class="inside-right-sidebar inside-sidebar"> <aside id="recent-posts-3" class="widget inner-padding widget_recent_entries"> <div class="heading-title"><h2 class="widget-title general-title">Bài viết mới</h2></div> <ul> <li> <a href="https://dethi.io.vn/blog/test-quiz-bank">test quiz bank</a> <span class="post-date">18/06/2025</span> </li> <li> <a href="https://dethi.io.vn/blog/tn-thpt-2025">tn thpt 2025</a> <span class="post-date">28/05/2025</span> </li> <li> <a href="https://dethi.io.vn/blog/1663-2">Test quiz type exam 1.7 group</a> <span class="post-date">11/05/2025</span> </li> <li> <a href="https://dethi.io.vn/blog/quiz-practice-co-tron">quiz practice có trộn</a> <span class="post-date">29/04/2025</span> </li> <li> <a href="https://dethi.io.vn/blog/test-van-ban">test quiz post 1.6 số array !q(2,4,6)!</a> <span class="post-date">19/03/2025</span> </li> </ul> </aside><aside id="categories-3" class="widget inner-padding widget_categories"><div class="heading-title"><h2 class="widget-title general-title">Danh mục</h2></div> <ul> <li class="menu-item cat-item cat-item-1"><a href="https://dethi.io.vn/category/blog" >Blog</a><span class="count">1.179</span> </li> <li class="menu-item cat-item cat-item-4"><a href="https://dethi.io.vn/category/gbt-t12-ct" >GBT T12 CT</a><span class="count">28</span> </li> </ul> </aside><aside id="meta-3" class="widget inner-padding widget_meta"><div class="heading-title"><h2 class="widget-title general-title">Meta</h2></div> <ul> <li><a href="https://dethi.io.vn/wp-login.php?action=register">Đăng ký</a></li> <li><a href="https://dethi.io.vn/wp-login.php">Đăng nhập</a></li> <li><a href="https://dethi.io.vn/feed">RSS bài viết</a></li> <li><a href="https://dethi.io.vn/comments/feed">RSS bình luận</a></li> <li><a href="https://vi.wordpress.org/">WordPress.org</a></li> </ul> </aside> </div> </div> </div> <div class="site-footer" id="site-footer"> <footer class="footer-section bottom-footer site-info" aria-label="Site" itemtype="https://schema.org/WPFooter" itemscope> <div class="nevo-container inside-footer d-flex text-center start-empty has-center end-empty normal"> <div class="footer-col col-center d-lg-flex justify-content-center align-items-center"> <div class="footer-copyright builder-item-focus" data-section="footer_copyright"> <span class="copyright">Copyright © 2025 DE THI TRAC NGHIEM - Powered by <a href="https://nevothemes.com" target="_blank" rel="nofollow noopener">Nevothemes</a>.</span></div> </div> </div> </footer><!-- .bottom-footer --> </div> </div> <script type="speculationrules"> {"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/*"},{"not":{"href_matches":["\/wp-*.php","\/wp-admin\/*","\/wp-content\/uploads\/*","\/wp-content\/*","\/wp-content\/plugins\/*","\/wp-content\/themes\/nevo\/*","\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]} </script> <div id="nevo-vertical-header" class="nevo-popup nevo-vertical-header position-left"> <div class="popup-background popup-close"></div> <div class="popup-body"> <div class="popup-header d-flex align-items-center justify-content-between"> <div class="popup-title">Menu</div> <button class="popup-close button-close d-inline-flex align-self-center" title="Close (Esc)"><svg class="close popup-close" width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" fill="currentColor"><path d="M71.029 71.029c9.373-9.372 24.569-9.372 33.942 0L256 222.059l151.029-151.03c9.373-9.372 24.569-9.372 33.942 0 9.372 9.373 9.372 24.569 0 33.942L289.941 256l151.03 151.029c9.372 9.373 9.372 24.569 0 33.942-9.373 9.372-24.569 9.372-33.942 0L256 289.941l-151.029 151.03c-9.373 9.372-24.569 9.372-33.942 0-9.372-9.373-9.372-24.569 0-33.942L222.059 256 71.029 104.971c-9.372-9.373-9.372-24.569 0-33.942z"></path></svg></button> </div> <div class="popup-content"> <div class="header-search search-box builder-item-focus" data-section="header_search"> <form method="get" class="search-form d-flex align-items-center flex-nowrap position-relative cv-col-12" action="https://dethi.io.vn/"> <label class="cv-col-12"> <span class="screen-reader-text">Search for:</span> <input type="search" class="search-field cv-col-12" placeholder="Search …" value="" name="s" title="Search for:"> </label> <button class="search-submit position-absolute" aria-label="Search"><span class="nevo-icon"><svg class="bi-search " width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" viewBox="0 0 16 16"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"></path></svg></span></button></form> </div><nav class="nav-mobile position-relative h-100 nevo-navigation" data-section="menu_locations" id="mobile-navigation" aria-label="Mobile"> <ul id="menu-y-1" class="menu-mobile nevo-dropdown"><li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-466"><a href="https://dethi.io.vn/latex" class="nevo-menu-link d-flex align-items-center" itemprop="url"><span class="nevo-item-title" itemprop="name">latex</span></a></li> </ul></nav> </div> </div> </div> <script id="nevo-a11y">!function(){"use strict";if("querySelector"in document&&"addEventListener"in window){var e=document.body;e.addEventListener("mousedown",function(){e.classList.add("using-mouse")}),e.addEventListener("keydown",function(){e.classList.remove("using-mouse")})}}();</script> <div id="header-account-vertical" class="nevo-popup header-account-vertical position-left"> <div class="popup-background popup-close"></div> <div class="popup-body"> <div class="popup-header d-flex align-items-center justify-content-between"> <div class="popup-title">Menu</div> <button class="popup-close button-close d-inline-flex align-self-center" title="Close (Esc)"><svg class="close popup-close" width="20" height="20" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" fill="currentColor"><path d="M71.029 71.029c9.373-9.372 24.569-9.372 33.942 0L256 222.059l151.029-151.03c9.373-9.372 24.569-9.372 33.942 0 9.372 9.373 9.372 24.569 0 33.942L289.941 256l151.03 151.029c9.372 9.373 9.372 24.569 0 33.942-9.373 9.372-24.569 9.372-33.942 0L256 289.941l-151.029 151.03c-9.373 9.372-24.569 9.372-33.942 0-9.372-9.373-9.372-24.569 0-33.942L222.059 256 71.029 104.971c-9.372-9.373-9.372-24.569 0-33.942z"></path></svg></button> </div> <div class="popup-content"> <div id="login-form" class="login-form"> <form name="loginform" id="loginform" action="https://dethi.io.vn/wp-login.php" method="post"> <p id="log-username"> <input class="form-control" type="text" name="log" id="log" title="Username" value="Username" onfocus="if (this.value == 'Username') {this.value = '';}" onblur="if (this.value == '') {this.value = 'Username';}" size="33" /> </p> <p id="log-pass"> <input class="form-control" type="password" name="pwd" id="pwd" title="Password" value="Password" onfocus="if (this.value == 'Password') {this.value = '';}" onblur="if (this.value == '') {this.value = 'Password';}" size="33" /> </p> <input class="btn btn-primary cv-col-12 cv-mb-3" type="submit" name="submit" value="Log in" /> <label class="d-lock" for="rememberme"><input name="rememberme" id="rememberme" type="checkbox" checked="checked" value="forever" /> Remember Me</label> <input type="hidden" name="redirect_to" value="/blog/sach-giao-khoa-toan-lop-5-2025-3"/> </form> <ul class="login-links list-inline"> <li><a href="https://dethi.io.vn/wp-login.php?action=register">Đăng ký</a></li> <li><a href="https://dethi.io.vn/wp-login.php?action=lostpassword&redirect_to=https%3A%2F%2Fdethi.io.vn">Lost your password ?</a></li> </ul> </div> </div> </div> </div> <script src="https://math.booktoan.com/math.js" id="mathjs-js"></script> <script id="quiz-display-script-js-extra"> var quizDisplaySettings = {"shuffle_questions_single":"yes","shuffle_options_single":"yes"}; var quizData = {"postId":"1344","ajaxurl":"https:\/\/dethi.io.vn\/wp-admin\/admin-ajax.php"}; </script> <script src="https://dethi.io.vn/wp-content/plugins/quiz-post/js/quiz-script.js?ver=1.7" id="quiz-display-script-js"></script> <script id="nevo-theme-js-extra"> var Nevo_JS = {"css_media_queries":{"all":"%s","desktop":"%s","tablet":"@media screen and (max-width: 1024px) { %s }","mobile":"@media screen and (max-width: 568px) { %s }"},"is_rtl":"","breakpoints":{"mobile":576,"tablet":768,"desktop":992}}; </script> <script src="https://dethi.io.vn/wp-content/themes/nevo/assets/js/main.min.js?ver=1.3.1" id="nevo-theme-js"></script> <script src="https://dethi.io.vn/wp-includes/js/comment-reply.min.js?ver=6.8.3" id="comment-reply-js" async data-wp-strategy="async"></script> <script id="comment-input-js-extra"> var translation = {"lang":"Please enter at least 10 characters before submitting the comment.","ajaxurl":"https:\/\/dethi.io.vn\/wp-admin\/admin-ajax.php"}; </script> <script src="https://dethi.io.vn/wp-content/themes/nevo/assets/js/comment.min.js?ver=1.3.1" id="comment-input-js"></script> </body> </html>