{"id":2767,"date":"2021-10-14T21:32:26","date_gmt":"2021-10-14T14:32:26","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=2767"},"modified":"2021-10-14T22:11:04","modified_gmt":"2021-10-14T15:11:04","slug":"ba-diem-thang-hang-lam-quen-voi-toan-hinh-toan-lop-6","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/ba-diem-thang-hang-lam-quen-voi-toan-hinh-toan-lop-6\/","title":{"rendered":"Ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng \u2013 L\u00e0m quen v\u1edbi to\u00e1n h\u00ecnh, to\u00e1n l\u1edbp 6"},"content":{"rendered":"\n<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p>L\u00fd thuy\u1ebft v\u1ec1 ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng trong <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n<\/a> h\u1ecdc l\u1edbp 6 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u00e0i gi\u1ea3ng g\u00f3p ph\u1ea7n c\u1ee7ng c\u1ed1. V\u00e0 m\u1edf r\u1ed9ng c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc. Nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c h\u1ecdc v\u00e0 nh\u1edb xuy\u00ean su\u1ed1t qu\u00e1 tr\u00ecnh h\u1ecdc to\u00e1n. Kh\u00f4ng ch\u1ec9 \u1edf b\u1eadc trung h\u1ecdc c\u01a1 s\u1edf. M\u00e0 c\u00f2n ph\u1ee5c v\u1ee5 cho qu\u00e1 tr\u00ecnh <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> v\u00e0 nghi\u00ean c\u1ee9u c\u00e1c d\u1ea1ng to\u00e1n sau n\u00e0y.<\/p>\n\n\n\n<p>Kh\u00e1i ni\u1ec7m v\u1ec1 ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>Kh\u00e1i ni\u1ec7m v\u1ec1 ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>Ta g\u1ecdi ba \u0111i\u1ec3m l\u00e0 th\u1eb3ng h\u00e0ng khi v\u00e0 ch\u1ec9 khi ch\u00fang c\u00f9ng n\u1eb1m tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\n\n\n\n<p>N\u1ebfu ba \u0111i\u1ec3m kh\u00f4ng c\u00f9ng n\u1eb1m tr\u00ean b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng th\u1eb3ng n\u00e0o. Ta n\u00f3i ba \u0111i\u1ec3m \u0111\u00f3 kh\u00f4ng th\u1eb3ng h\u00e0ng.<\/p>\n\n\n\n<p>M\u1ed1i quan h\u1ec7 gi\u1eefa ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>Cho ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng A, B, C c\u00f3 s\u1eb5n. V\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1ee9 t\u1ef1 3 \u0111i\u1ec3m k\u1ec3 t\u1eeb tr\u00e1i qua ph\u1ea3i l\u1ea7n l\u01b0\u1ee3t l\u00e0: A, C, B. Ta c\u00f3 th\u1ec3 n\u00f3i:<\/p>\n\n\n\n<p>Hai \u0111i\u1ec3m C v\u00e0 B n\u1eb1m c\u00f9ng ph\u00eda \u0111\u1ed1i v\u1edbi A.<\/p>\n\n\n\n<p>Hai \u0111i\u1ec3m A v\u00e0 C n\u1eb1m c\u00f9ng ph\u00eda \u0111\u1ed1i v\u1edbi B.<\/p>\n\n\n\n<p>Hai \u0111i\u1ec3m A v\u00e0 B n\u1eb1m kh\u00e1c ph\u00eda \u0111\u1ed1i v\u1edbi C<\/p>\n\n\n\n<p>C n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m A v\u00e0 B.<\/p>\n\n\n\n<p>M\u1ed1i quan h\u1ec7 gi\u1eefa ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>Nh\u01b0 v\u1eady, ta c\u00f3 nh\u1eadn x\u00e9t:<\/p>\n\n\n\n<p>Trong ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng, c\u00f3 m\u1ed9t \u0111i\u1ec3m v\u00e0 ch\u1ec9 m\u1ed9t \u0111i\u1ec3m n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m c\u00f2n l\u1ea1i.<\/p>\n\n\n\n<p>Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>B\u00e0i 8 (trang 106 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p>Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>B\u00e0i 9 (trang 106 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p>Ba \u0111i\u1ec3m th\u1eb3ng Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ngh\u00e0ng<\/p>\n\n\n\n<p>B\u00e0i 10 (trang 106 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p>Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>B\u00e0i 11 (trang 106 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p>Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>B\u00e0i 12 (trang 106 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p>Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>B\u00e0i 13 (trang 106 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p>Gi\u1ea3i b\u00e0i t\u1eadp ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng<\/p>\n\n\n\n<p>B\u1eadt m\u00ed cho ba m\u1eb9 b\u00ed quy\u1ebft gi\u00fap con t\u1eadp trung <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a>, kh\u00f4ng ng\u1eebng n\u1ed7 l\u1ef1c<\/p>\n\n\n\n<p>B\u00ed quy\u1ebft \u0111\u1ec3 h\u1ecdc t\u1ed1t to\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 \u0111\u1ed1i v\u1edbi to\u00e1n l\u1edbp 6. M\u00e0 c\u00f2n l\u00e0 b\u1ed9 m\u00f4n to\u00e1n trung h\u1ecdc ph\u1ed5 th\u00f4ng n\u00f3i chung l\u00e0 s\u1ef1 t\u1eadp trung. Tuy nhi\u00ean, m\u1ea5t t\u1eadp trung l\u1ea1i l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 g\u00e2y kh\u00f3 kh\u0103n cho c\u1ea3 nh\u1eefng <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> xu\u1ea5t s\u1eafc nh\u1ea5t. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, gi\u00fap c\u00e1c con n\u00e2ng cao tr\u00ecnh \u0111\u1ed9 to\u00e1n h\u1ecdc. Vietlearn t\u1ed5ng h\u1ee3p m\u1ed9t v\u00e0i b\u00ed quy\u1ebft d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<p>Tr\u00e1nh xa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/p>\n\n\n\n<p>Trong cu\u1ed9c s\u1ed1ng hi\u1ec7n nay, m\u1ed9t trong r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y m\u1ea5t t\u1eadp trung cho tr\u1ebb ch\u00ednh l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eeb. C\u00e1c con th\u01b0\u1eddng t\u1ed1n r\u1ea5t nhi\u1ec1u th\u1eddi gian trong ng\u00e0y d\u00e0nh cho vi\u1ec7c xem tivi hay \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng. V\u00ec c\u00e1c n\u1ed9i dung th\u00fa v\u1ecb tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng internet r\u1ea5t phong ph\u00fa, thu h\u00fat. H\u01a1n n\u1eefa, vi\u1ec7c xem c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3i tr\u00ed r\u1ea5t t\u1ed1t. C\u00e1c con kh\u00f4ng m\u1ea5t qu\u00e1 nhi\u1ec1u c\u00f4ng s\u1ee9c \u0111\u1ec3 suy ngh\u0129 hay t\u01b0 duy.<\/p>\n\n\n\n<p>Th\u1ef1c t\u1ebf v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/p>\n\n\n\n<p>Tuy nhi\u00ean, ch\u00ednh v\u00ec t\u00e1c d\u1ee5ng gi\u1ea3i tr\u00ed qu\u00e1 l\u1edbn c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb. C\u00e1c con d\u1ec5 d\u00e0ng b\u1ecb xao nh\u00e3ng trong <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a>. Bi\u1ec3u hi\u1ec7n l\u00e0 kh\u00f4ng th\u1ec3 r\u1eddi m\u1eaft kh\u1ecfi \u0111i\u1ec7n tho\u1ea1i, tivi. Lu\u00f4n lu\u00f4n \u0111\u1ec3 t\u00e2m \u0111\u1ebfn nh\u1eefng th\u00f4ng b\u00e1o hay th\u1eddi gian \u0111\u1ec3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng t\u1ed1t cho t\u01b0 duy v\u00e0 tinh th\u1ea7n c\u1ee7a tr\u1ebb. Ngo\u00e0i ra, c\u00f2n g\u00e2y ra c\u00e1c b\u1ec7nh v\u1ec1 m\u1eaft, v\u1ec1 da\u2026<\/p>\n\n\n\n<p>Ngo\u00e0i ra, b\u00ean c\u1ea1nh nh\u1eefng t\u00e1c d\u1ee5ng v\u1ec1 gi\u1ea3i tr\u00ed. C\u00e1c con th\u01b0\u1eddng kh\u00f4ng khai th\u00e1c \u0111\u01b0\u1ee3c nh\u1eefng gi\u00e1 tr\u1ecb gi\u00e1o d\u1ee5c t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u1ea5y. H\u01a1n n\u1eefa, s\u1ef1 truy\u1ec1n t\u1ea3i th\u00f4ng tin t\u01b0 do, kh\u00f4ng th\u00f4ng qua ki\u1ec3m duy\u1ec7t c\u1ee7a internet. \u0110\u00f3 l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y n\u00ean nh\u1eefng nh\u1eadn th\u1ee9c sai l\u1ec7ch c\u1ee7a con tr\u1ebb.<\/p>\n\n\n\n<p>V\u00ec v\u1eady, ngo\u00e0i th\u1eddi gian <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a>, ba m\u1eb9 c\u0169ng kh\u00f4ng n\u00ean cho con ti\u1ebfp x\u00fac qu\u00e1 nhi\u1ec1u v\u00e0 qu\u00e1 s\u1edbm v\u1edbi c\u00e1c thi\u1ebft b\u1ecb. N\u1ebfu v\u00ec nhi\u1ec1u nguy\u00ean nh\u00e2n, con c\u1ea7n <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> hay t\u00ecm hi\u1ec3u th\u1ebf gi\u1edbi. Ho\u1eb7c gi\u1ea3i tr\u00ed, ba m\u1eb9 n\u00ean h\u01b0\u1edbng d\u1eabn cho con c\u00e1c k\u1ef9 n\u0103ng n\u0103ng l\u1ef1c th\u00f4ng tin. \u0110\u1ec3 con s\u1eed d\u1ee5ng internet m\u1ed9t c\u00e1ch th\u00f4ng minh.<\/p>\n\n\n\n<p>Tr\u00e1nh xa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed m\u1ed9t c\u00e1ch th\u00f4ng minh<\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p h\u1ea1n ch\u1ebf tr\u1ebb s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. Ba m\u1eb9 c\u00f3 th\u1ec3 h\u01b0\u1edbng d\u1eabn con s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i, tivi ph\u1ee5c v\u1ee5 cho vi\u1ec7c h\u1ecdc t\u1eadp. B\u1eb1ng c\u00e1ch \u0111\u0103ng k\u00fd c\u00e1c kh\u00f3a h\u1ecdc online v\u00e0 tr\u1ef1c ti\u1ebfp thep d\u00f5i ti\u1ebfn tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a con. Vi\u1ec7c n\u00e0y s\u1ebd gi\u00fap gi\u1ea3m thi\u1ec3u t\u00e1c h\u1ea1i do c\u00e1c con d\u00f9ng thi\u1ebft b\u1ecb di \u0111\u1ed9ng. ph\u00e1t tri\u1ec3n t\u01b0 duy, n\u0103ng l\u1ef1c h\u1ecdc t\u1eadp. Ph\u1ee5 huynh v\u00e0 c\u00e1c con c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam 1 s\u1ed1 kh\u00f3a h\u1ecdc online t\u1ea1i Vietlearn. Kh\u00f3a h\u1ecdc \u0111\u00e3 th\u00f4ng qua ki\u1ec3m \u0111\u1ecbnh v\u00e0 mang l\u1ea1i hi\u1ec7u qu\u1ea3 cho r\u1ea5t nhi\u1ec1u h\u1ecdc sinh t\u1ea1i Vi\u1ec7t Nam. \u0110\u00e2y s\u1ebd l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho ba m\u1eb9.<\/p>\n\n\n\n<p>Lo\u1ea1i b\u1ecf nh\u1eefng suy ngh\u0129 ngo\u00e0i l\u1ec1 ra kh\u1ecfi th\u1eddi gian h\u1ecdc t\u1eadp<\/p>\n\n\n\n<p>Trong \u0111\u1eddi s\u1ed1ng c\u0169ng nh\u01b0 trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp, c\u00e1c con s\u1ebd b\u1ecb nh\u1eefng suy ngh\u0129 v\u1ee5n v\u1eb7t l\u00e0m m\u1ea5t t\u1eadp trung. \u0110\u1ec3 lo\u1ea1i b\u1ecf nh\u1eefng \u0111i\u1ec1u \u0111\u00f3 l\u00e0 kh\u00f4ng \u0111\u01a1n gi\u1ea3n. \u0110\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi tr\u1ebb l\u1edbp 6 \u2013 trong kho\u1ea3ng th\u1eddi gian thay \u0111\u1ed5i t\u00e2m l\u00fd. B\u00ean c\u1ea1nh vi\u1ec7c h\u1ecdc t\u1eadp, 11 tu\u1ed5i l\u00e0 \u0111\u1ed9 tu\u1ed5i con c\u00f3 th\u00eam nh\u1eefng m\u1ed1i quan t\u00e2m ngo\u00e0i l\u1ec1 kh\u00e1c. V\u00ed d\u1ee5 nh\u01b0 chuy\u1ec7n b\u1ea1n b\u00e8, \u00e1p l\u1ef1c t\u00e2m l\u00fd, \u2026 Th\u1eadm ch\u00ed, c\u00f3 tr\u1ebb \u0111\u00e3 xu\u1ea5t hi\u1ec7n bi\u1ec3u hi\u1ec7n c\u1ee7a vi\u1ec7c y\u00eau s\u1edbm. Tr\u1ebb d\u1ec5 d\u00e0ng b\u1ecb thu h\u00fat b\u1edfi c\u00e1c b\u1ea1n kh\u00e1c gi\u1edbi. V\u00e0 nh\u1eefng suy ngh\u0129 m\u1edbi l\u1ea1 \u1ea5y s\u1ebd l\u00e0 r\u00e0o c\u1ea3n ng\u0103n b\u01b0\u1edbc tr\u1ebb gi\u1eef t\u1eadp trung trong h\u1ecdc t\u1eadp. Vi\u1ec7c n\u00e0y n\u1ebfu k\u00e9o d\u00e0i l\u00e2u s\u1ebd \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp c\u1ee7a con \u1edf tr\u01b0\u1eddng.<\/p>\n\n\n\n<p>Lo\u1ea1i b\u1ecf nh\u1eefng suy ngh\u0129 ngo\u00e0i l\u1ec1 ra kh\u1ecfi th\u1eddi gian h\u1ecdc t\u1eadp<\/p>\n\n\n\n<p>Kh\u00f4ng ch\u1ec9 c\u00e1c em h\u1ecdc sinh, ba m\u1eb9 c\u1ea7n \u0111\u1eb7t m\u1ed9t s\u1ef1 quan t\u00e2m \u0111\u00fang m\u1ee9c cho tr\u1ebb \u1edf giai \u0111o\u1ea1n n\u00e0y. H\u00e3y gi\u1eef cho con s\u1ef1 t\u1eadp trung b\u1eb1ng c\u00e1ch \u0111\u1ec3 con hi\u1ec3u r\u1eb1ng. C\u00e1c con ch\u00ednh l\u00e0 ng\u01b0\u1eddi \u0111i\u1ec1u khi\u1ec3n suy ngh\u0129 c\u1ee7a ch\u00ednh m\u00ecnh. V\u00ec v\u1eady, c\u00e1c con ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh lo\u1ea1i b\u1ecf nh\u1eefng suy ngh\u0129 ti\u00eau c\u1ef1c. Nh\u1eefng \u0111i\u1ec1u l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c h\u1ecdc c\u1ee7a b\u1ea3n th\u00e2n. Nh\u1eefng v\u1ea5n \u0111\u1ec1 cu\u1ed9c s\u1ed1ng kh\u00e1c, c\u00e1c con c\u00f3 th\u1ec3 ngh\u0129 t\u1edbi sau. Khi \u0111\u00e3 ho\u00e0n th\u00e0nh t\u1ea5t c\u1ea3 b\u00e0i t\u1eadp ph\u1ee5c v\u1ee5 cho vi\u1ec7c h\u1ecdc t\u1eadp c\u1ee7a con.<\/p>\n\n\n\n<p>L\u1eddi k\u1ebft:<\/p>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p l\u00fd thuy\u1ebft v\u00e0 h\u01b0\u1edbng d\u1eabn gi\u1ea3i b\u00e0i t\u1eadp ch\u1ee7 \u0111\u1ec1 ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng cho c\u00e1c em h\u1ecdc sinh l\u1edbp 6. B\u00ean c\u1ea1nh \u0111\u00f3, Vietlearn c\u0169ng \u0111\u01b0a ra m\u1ed9t v\u00e0i b\u00ed quy\u1ebft nh\u1ecf gi\u00fap c\u00e1c con t\u1eadp trung t\u1ed1t h\u01a1n, n\u00e2ng cao n\u0103ng l\u1ef1c h\u1ecdc to\u00e1n. \u0110\u1ec3 bi\u1ebft th\u00eam nhi\u1ec1u b\u00ed quy\u1ebft h\u01a1n. M\u1eddi ph\u1ee5 huynh v\u00e0 c\u00e1c con tham kh\u1ea3o th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c c\u1ee7a Vietlearn trong m\u1ee5c to\u00e1n<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn L\u00fd thuy\u1ebft v\u1ec1 ba \u0111i\u1ec3m th\u1eb3ng h\u00e0ng trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u1ecdc l\u1edbp 6 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u00e0i gi\u1ea3ng g\u00f3p ph\u1ea7n c\u1ee7ng c\u1ed1. V\u00e0 m\u1edf r\u1ed9ng c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc. Nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c h\u1ecdc v\u00e0 nh\u1edb xuy\u00ean su\u1ed1t qu\u00e1 tr\u00ecnh [&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":[9,4],"tags":[],"class_list":["post-2767","post","type-post","status-publish","format-standard","hentry","category-toan-hoc","category-trung-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2767","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=2767"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2767\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}