{"id":2735,"date":"2021-10-14T21:28:12","date_gmt":"2021-10-14T14:28:12","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=2735"},"modified":"2021-10-14T22:10:17","modified_gmt":"2021-10-14T15:10:17","slug":"toan-lop-4-he-thong-tong-hop-kien-thuc-giai-bai-tap-sgk","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/toan-lop-4-he-thong-tong-hop-kien-thuc-giai-bai-tap-sgk\/","title":{"rendered":"To\u00e1n l\u1edbp 4: H\u1ec7 th\u1ed1ng &amp; t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c. Gi\u1ea3i b\u00e0i t\u1eadp SGK"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To\u00e1n l\u1edbp 4 l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng quan tr\u1ecdng c\u1ee7a c\u00e1c c\u1ea5p h\u1ecdc cao h\u01a1n. <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">H\u1ecdc sinh<\/a> c\u1ea7n ch\u00fa t\u00e2m h\u1ecdc To\u00e1n l\u1edbp 4 c\u1ea9n th\u1eadn v\u00e0 n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c \u0111\u1ec3 vi\u1ec7c h\u1ecdc m\u00f4n To\u00e1n tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n. B\u00e0i t\u1ed5ng h\u1ee3p c\u00f4ng th\u1ee9c v\u00e0 ki\u1ebfn th\u1ee9c d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap ph\u1ee5 huynh v\u00e0 c\u00e1c b\u1ea1n nh\u1ecf l\u00e0m t\u1ed1t vi\u1ec7c n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng ki\u1ebfn th\u1ee9c To\u00e1n l\u1edbp 4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0ng \u0111\u01a1n tr\u0103m, h\u00e0ng ch\u1ee5c, h\u00e0ng \u0111\u01a1n v\u1ecb h\u1ee3p th\u00e0nh l\u1edbp \u0111\u01a1n v\u1ecb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0ng tr\u0103m ngh\u00ecn, h\u00e0ng ch\u1ee5c ngh\u00ecn, h\u00e0ng ngh\u00ecn h\u1ee3p th\u00e0nh h\u00e0ng ngh\u00ecn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch \u0111\u1ecdc s\u1ed1 t\u1ef1 nhi\u00ean<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ecdc c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean ta \u0111\u1ecdc t\u1eeb tr\u00e1i qua ph\u1ea3i, ho\u1eb7c t\u1eeb h\u00e0ng cao \u0111\u1ebfn h\u00e0ng th\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ch\u1eef s\u1ed1 t\u1eeb ph\u1ea3i qua tr\u00e1i l\u1ea7n l\u01b0\u1ee3t thu\u1ed9c h\u00e0ng \u0111\u01a1n v\u1ecb, h\u00e0ng ch\u1ee5c, h\u00e0ng tr\u0103m, h\u00e0ng ngh\u00ecn, h\u00e0ng ch\u1ee5c ngh\u00ecn, h\u00e0ng tr\u0103m ngh\u00ecn,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0ng \u0111\u01a1n v\u1ecb, h\u00e0ng ch\u1ee5c, h\u00e0ng tr\u0103m h\u1ee3p th\u00e0nh l\u1edbp \u0111\u01a1n v\u1ecb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0ng ngh\u00ecn, h\u00e0ng ch\u1ee5c ngh\u00ecn, h\u00e0ng tr\u0103m ngh\u00ecn h\u1ee3p th\u00e0nh h\u00e0ng ngh\u00ecn<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Ph\u00e9p c\u1ed9ng<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c to\u00e1n l\u1edbp 4<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>Ph\u00e9p tr\u1eeb<\/li><li>Ph\u00e9p nh\u00e2n<\/li><li>Ph\u00e9p chia<\/li><li>T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c<\/li><li>D\u00e3y s\u1ed1<\/li><li>D\u1ea5u hi\u1ec7u chia h\u1ebft<\/li><li><a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a> v\u1ec1 c\u1ea5u t\u1ea1o s\u1ed1<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch h\u1ecdc gi\u1ecfi To\u00e1n l\u1edbp 4 hi\u1ec7u qu\u1ea3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">Ch\u01b0\u01a1ng tr\u00ecnh To\u00e1n<\/a> ti\u1ec3u h\u1ecdc l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng r\u1ea5t quan tr\u1ecdng. <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">H\u1ecdc sinh<\/a> c\u1ea7n ph\u1ea3i ch\u1eafc ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng n\u00e0y \u0111\u1ec3 gi\u1ea3i ch\u00ednh x\u00e1c c\u00e1c b\u00e0i t\u1eadp h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u00ecnh h\u1ecdc \u1edf c\u1ea5p h\u1ecdc cao h\u01a1n. N\u1ebfu kh\u00f4ng n\u1ed7 l\u1ef1c, c\u00e1c em s\u1ebd b\u1ecb h\u1ed5ng ki\u1ebfn th\u1ee9c v\u00e0 h\u00ecnh th\u00e0nh t\u00e2m l\u00fd ch\u00e1n h\u1ecdc. M\u1ed9t s\u1ed1 l\u01b0u \u00fd sau \u0111\u00e2y s\u1ebd gi\u00fap ph\u1ee5 huynh v\u00e0 c\u00e1c b\u1ea1n nh\u1ecf h\u1ecdc v\u00e0 gi\u1ea3i b\u00e0i t\u1eadp l\u1edbp 4 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u0110\u1ed1i v\u1edbi ph\u1ee5 huynh<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay t\u1eeb nh\u1eefng b\u00e0i To\u00e1n l\u1edbp 4 \u0111\u1ea7u ti\u00ean \u0111\u00e3 t\u1ea1o nhi\u1ec1u kh\u00f3 kh\u0103n cho c\u00e1c con v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m, k\u00fd hi\u1ec7u m\u1edbi toanh. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng m\u00e0 c\u00e1c con kh\u00f4ng \u0111\u01b0\u1ee3c coi th\u01b0\u1eddng v\u00e0 d\u1ec5 d\u00e0ng h\u1ecdc qua loa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ee5 huynh c\u1ea7n ch\u00fa \u00fd, quan t\u00e2m, h\u1ecfi han v\u00e0 theo s\u00e1t qu\u00e1 tr\u00ecnh <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> c\u1ee7a con. Ki\u1ec3m tra t\u00ecnh h\u00ecnh h\u1ecdc th\u01b0\u1eddng xuy\u00ean gi\u00fap ba m\u1eb9 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c n\u0103ng l\u1ef1c h\u1ecdc c\u1ee7a con, t\u1eeb \u0111\u00f3 lu\u00f4n bi\u1ebft \u0111\u01b0\u1ee3c con y\u1ebfu \u1edf ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0o v\u00e0 b\u1ed3i d\u01b0\u1ee1ng th\u00eam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00eau c\u1ea7u con t\u00ecm hi\u1ec3u tr\u01b0\u1edbc b\u00e0i m\u1edbi t\u1ea1i nh\u00e0 \u0111\u1ec3 khi \u0111\u1ebfn l\u1edbp, con nhanh hi\u1ec3u b\u00e0i gi\u1ea3ng c\u1ee7a th\u1ea7y c\u00f4 tr\u00ean l\u1edbp lu\u00f4n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu c\u00f3 th\u1eddi gian, ph\u1ee5 huynh n\u00ean ch\u1ee7 \u0111\u1ed9ng c\u00f9ng h\u1ecdc v\u00e0 gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n v\u1edbi tr\u1ebb. \u0110i\u1ec1u n\u00e0y l\u00e0m tr\u1ebb qu\u00ean \u0111i c\u1ea3m gi\u00e1c m\u1ed9t m\u00ecnh gi\u1ea3i quy\u1ebft c\u00e1c con s\u1ed1 v\u00e0 c\u00f4ng th\u1ee9c kh\u00f4 khan.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>\u0110\u1ed1i v\u1edbi <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a><\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 h\u1ecdc t\u1ed1t to\u00e1n l\u1edbp 4, c\u00e1c em c\u1ea7n chu\u1ea9n b\u1ecb t\u1ed1t ki\u1ebfn th\u1ee9c \u1edf c\u00e1c l\u1edbp h\u1ecdc d\u01b0\u1edbi. N\u1ebfu ki\u1ebfn th\u1ee9c b\u1ecb r\u1ed7ng, <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> c\u1ea7n b\u1ed5 sung l\u1ea1i ngay. B\u1edfi n\u1ebfu h\u1ecdc to\u00e1n trong t\u00ecnh tr\u1ea1ng m\u1ea5t g\u1ed1c th\u1ef1c s\u1ef1 kh\u00f3 kh\u0103n v\u00e0 kh\u00f4ng hi\u1ec3u \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 ch\u00ednh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng s\u00e1ch gi\u1ea3i m\u1eabu b\u00e0i t\u1eadp l\u1edbp 4. Vi\u1ec7c tham kh\u1ea3o s\u00e1ch gi\u1ea3i m\u1eabu b\u00e0i t\u1eadp nhi\u1ec1u s\u1ebd khi\u1ebfn n\u00e3o b\u1ed9 kh\u00f4ng r\u00e8n luy\u1ec7n \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng t\u01b0 duy to\u00e1n h\u1ecdc v\u00e0 ng\u00e0y c\u00e0ng b\u1ecb l\u1ec7 thu\u1ed9c v\u00e0o c\u00e1ch gi\u1ea3i m\u1eabu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ecdc sinh c\u00f3 th\u1ec3 l\u00e0m quen v\u1edbi c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay \u0111\u1ec3 h\u1ed7 tr\u1ee3 gi\u1ea3i b\u00e0i t\u1eadp To\u00e1n l\u1edbp 4. Tuy nhi\u00ean, kh\u00f4ng n\u00ean qu\u00e1 l\u1ea1m d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi nghe gi\u1ea3ng tr\u00ean l\u1edbp, n\u1ebfu c\u00f3 ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0o ch\u01b0a hi\u1ec3u hay ch\u01b0a r\u00f5, c\u00e1c em c\u1ea7n ch\u1ee7 \u0111\u1ed9ng h\u1ecfi l\u1ea1i gi\u00e1o vi\u00ean ngay. Lu\u00f4n \u0111\u1ea3m b\u1ea3o nh\u1edb, hi\u1ec3u v\u00e0 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng t\u1eeb l\u00fac b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u0103ng \u0111\u1ed9ng gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng nhi\u1ec1u c\u00e1ch th\u1ee9c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i kh\u00e1c nhau. Tuy nhi\u00ean, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng gi\u1ea3i t\u1eaft. N\u00ean gi\u1ea3i c\u1ea9n th\u1eadn t\u1eebng b\u01b0\u1edbc m\u1ed9t \u0111\u1ec3 n\u1eafm v\u1eefng quy tr\u00ecnh gi\u1ea3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh t\u1eadp trung \u00f4n t\u1eadp ki\u1ebfn th\u1ee9c, h\u1ecdc sinh c\u0169ng c\u1ea7n \u0111\u1ea7u t\u01b0 th\u1eddi gian gi\u1ea3i lao cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u1ec3 theo r\u00e8n luy\u1ec7n s\u1ee9c kh\u1ecfe. Kh\u00f4ng \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe v\u00e0 c\u1ed1 \u00f4n t\u1eadp trong t\u00ecnh tr\u1ea1ng m\u1ec7t m\u1ecfi, c\u0103ng th\u1eb3ng s\u1ebd kh\u00f4ng mang l\u1ea1i nhi\u1ec1u k\u1ebft qu\u1ea3. \u0110\u00f4i khi, n\u00f3 s\u1ebd mang \u0111\u1ebfn k\u1ebft qu\u1ea3 ti\u00eau c\u1ef1c. Do \u0111\u00f3, c\u00e1c em h\u00e3y ch\u00fa \u00fd r\u00e8n luy\u1ec7n th\u1ec3 thao v\u00e0 quan t\u00e2m \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c em c\u00f3 th\u1ec3 n\u00e2ng cao ki\u1ebfn th\u1ee9c v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3i b\u00e0i t\u1eadp qua c\u00e1c kh\u00f3a h\u1ecdc b\u1ed3i d\u01b0\u1ee1ng v\u00e0 n\u00e2ng cao. Kh\u00f3a gia s\u01b0 h\u1ecdc To\u00e1n Online l\u1edbp 4 Vietlearn gi\u00fap c\u00e1c em d\u1ec5 d\u00e0ng n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c m\u00f4n To\u00e1n l\u1edbp 4.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>H\u1ecdc to\u00e1n l\u1edbp 4 online mi\u1ec5n ph\u00ed<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ecdc to\u00e1n l\u1edbp 4 online mi\u1ec5n ph\u00ed \u0111ang l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u1ec7n \u00edch gi\u00fap c\u1ea3i thi\u1ec7n tinh th\u1ea7n v\u00e0 n\u0103ng l\u1ef1c h\u1ecdc t\u1eadp c\u1ee7a con hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c nhi\u1ec1u ph\u1ee5 huynh \u0111ang \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc to\u00e1n l\u1edbp 4 online mang \u0111\u1ebfn nhi\u1ec1u ti\u1ec1n \u00edch v\u00e0 t\u00ednh n\u0103ng \u01b0u vi\u1ec7t th\u1ea5y r\u00f5. \u00d4n v\u00e0 h\u1ecdc t\u1eadp tr\u00ean m\u1ed9t n\u1ec1n t\u1ea3ng m\u1edbi v\u00e0 ph\u01b0\u01a1ng th\u1ee9c gi\u1ea3ng d\u1ea1y h\u1ea5p d\u1eabn v\u00e0 cu\u1ed1n h\u00fat d\u00e0nh cho m\u1ecdi l\u1ee9a tu\u1ed5i s\u1ebd gi\u00fap c\u00e1c em h\u1ecdc sinh th\u00edch th\u00fa v\u00e0 ch\u00fa t\u00e2m v\u00e0o b\u00e0i gi\u1ea3ng h\u01a1n. \u0110\u1ed3ng th\u1eddi, ph\u1ee5 huynh d\u1ec5 d\u00e0ng \u1edf b\u00ean canh theo s\u00e1t v\u00e0 n\u1eafm r\u00f5 qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a con.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong giai \u0111o\u1ea1n d\u1ecbch b\u1ec7nh ph\u1ee9c t\u1eadp, h\u1ecdc online gi\u00fap con h\u1ea1n ch\u1ebf vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi m\u1ea7m b\u1ec7nh t\u1ed1i \u0111a. \u0110\u1eb7c bi\u1ec7t, gi\u00e1 th\u00e0nh cho ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc tr\u1ef1c tuy\u1ebfn l\u1edbp 4 h\u1ee3p l\u00fd h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi thu\u00ea gia s\u01b0 t\u1ea1i nh\u00e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u0103ng k\u00fd tr\u1ea3i nghi\u1ec7m h\u1ecdc to\u00e1n l\u1edbp 4 online cho con ngay t\u1ea1i Vietlearn (100% mi\u1ec5n ph\u00ed)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vietlearn \u2013 Ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc tr\u1ef1c tuy\u1ebfn l\u1edbp 4 hi\u1ec7u qu\u1ea3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vietlearn l\u00e0 c\u00f4ng ty Edtech v\u1ec1 gi\u00e1o d\u1ee5c tr\u1ef1c tuy\u1ebfn, cung c\u1ea5p tr\u1ea3i nghi\u1ec7m v\u00e0 b\u1ed3i d\u01b0\u1ee1ng h\u1ecdc t\u1eadp c\u00e1 nh\u00e2n cho h\u00e0ng tr\u0103m ngh\u00ecn h\u1ecdc sinh v\u00e0 nh\u00e0 tr\u01b0\u1eddng trong kh\u1ed1i ki\u1ebfn th\u1ee9c K-12 c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vietlearn kh\u00f4ng ch\u1ec9 l\u00e0 kh\u00f3a h\u1ecdc To\u00e1n l\u1edbp 4 online, ch\u00fang t\u00f4i \u1ee9ng d\u1ee5ng v\u00e0 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m tri th\u1ee9c tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 d\u1eef li\u1ec7u l\u1edbn (h\u00e0ng \u0111\u1ea7u \u0110\u00f4ng Nam \u00c1) \u0111\u1ebfn v\u1edbi h\u1ecdc sinh Vi\u1ec7t Nam. Vietlearn mong mu\u1ed1n t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 gi\u00fap c\u00e1c em ph\u00e1t huy \u0111i\u1ec3m m\u1ea1nh v\u00e0 say m\u00ea trong h\u1ecdc t\u1eadp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed3i d\u01b0\u1ee1ng, truy\u1ec1n c\u1ea3m h\u1ee9ng v\u00e0 truy\u1ec1n l\u1eeda h\u1ecdc t\u1eadp cho th\u1ebf h\u1ec7 tr\u1ebb lu\u00f4n l\u00e0 s\u1ee9 m\u1ec7nh c\u1ed1t l\u00f5i kh\u00f4ng thay \u0111\u1ed5i c\u1ee7a Vietlearn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4 h\u00ecnh gi\u00e1o d\u1ee5c v\u00e0 \u0111\u1ed9i ng\u0169 gi\u00e1o vi\u00ean c\u1ee7a Vietlearn \u0111\u01b0\u1ee3c nhi\u1ec1u t\u1ed5 ch\u1ee9c v\u00e0 c\u01a1 quan b\u00e1o ch\u00ed \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang t\u00f4i cam k\u1ebft 100% h\u1ecdc sinh vui h\u1ecdc to\u00e1n l\u1edbp 4 v\u00e0 \u0111\u1ea1t k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp cao, v\u1edbi chi ph\u00ed ti\u1ebft ki\u1ec7m nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 b\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u00e0 b\u00e0i to\u00e1n l\u1edbp 4 c\u01a1 b\u1ea3n v\u00e0 n\u00e2ng cao, hy v\u1ecdng \u0111\u00e3 gi\u00fap c\u00e1c b\u1ea1n nh\u1ecf hi\u1ec3u v\u00e0 \u0111\u1ea1t k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f9ng Vietlearn gi\u1ea3i b\u00e0i t\u1eadp v\u1ec1 ghi s\u1ed1 t\u1ef1 nhi\u00ean- M\u00f4n s\u1ed1 h\u1ecdc l\u1edbp 6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7 ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1ed1t c\u00e1c m\u00f4n h\u1ecdc l\u1edbp 10 ph\u1ea3i bi\u1ebft \u2013 Vietlearn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch h\u1ecdc<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn To\u00e1n l\u1edbp 4 l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng quan tr\u1ecdng c\u1ee7a c\u00e1c c\u1ea5p h\u1ecdc cao h\u01a1n. H\u1ecdc sinh c\u1ea7n ch\u00fa t\u00e2m h\u1ecdc To\u00e1n l\u1edbp 4 c\u1ea9n th\u1eadn v\u00e0 n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c \u0111\u1ec3 vi\u1ec7c h\u1ecdc m\u00f4n To\u00e1n tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n. B\u00e0i t\u1ed5ng h\u1ee3p c\u00f4ng th\u1ee9c v\u00e0 ki\u1ebfn th\u1ee9c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[3,9],"tags":[],"class_list":["post-2735","post","type-post","status-publish","format-standard","hentry","category-tieu-hoc","category-toan-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=2735"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2735\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}