{"id":2725,"date":"2021-10-14T21:26:54","date_gmt":"2021-10-14T14:26:54","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=2725"},"modified":"2021-10-14T22:11:05","modified_gmt":"2021-10-14T15:11:05","slug":"diem-duong-thang-chinh-phuc-chuong-trinh-toan-hinh-toan-6","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/diem-duong-thang-chinh-phuc-chuong-trinh-toan-hinh-toan-6\/","title":{"rendered":"\u0110i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng \u2013 Chinh ph\u1ee5c ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u00ecnh-To\u00e1n 6"},"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\">\u0110i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng trong <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n<\/a> l\u1edbp 6 l\u00e0 m\u1ed9t trong nh\u1eefng b\u00e0i h\u1ecdc c\u01a1 b\u1ea3n. <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">H\u1ecdc sinh<\/a> c\u1ea7n n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c to\u00e1n h\u00ecnh n\u00e0y. \u0110\u1ec3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng v\u00e0 m\u1edf r\u1ed9ng ki\u1ebfn th\u1ee9c trong nh\u1eefng b\u00e0i h\u1ecdc sau. H\u00e3y \u0111\u1ec3 Vietlearn \u0111\u1ed3ng h\u00e0nh c\u00f9ng con chinh ph\u1ee5c m\u00f4n to\u00e1n h\u1ecdc l\u1edbp 6. V\u1edbi nh\u1eefng l\u00fd thuy\u1ebft c\u0103n b\u1ea3n v\u00e0 h\u01b0\u1edbng d\u1eabn gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng nh\u00e9!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1i ni\u1ec7m \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1i ni\u1ec7m \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1i ni\u1ec7m \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea5u ch\u1ea5m nh\u1ecf tr\u00ean trang gi\u1ea5y l\u00e0 h\u00ecnh \u1ea3nh c\u1ee7a \u0111i\u1ec3m. \u0110\u1ec3 \u0111\u1eb7t t\u00ean cho \u0111i\u1ec3m, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u l\u00e0 c\u00e1c ch\u1eef c\u00e1i in hoa. V\u00ed d\u1ee5 nh\u01b0: A, B, C, D,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta c\u00f3 c\u00e1c \u0111i\u1ec3m ph\u00e2n bi\u1ec7t ho\u1eb7c c\u00e1c \u0111i\u1ec3m tr\u00f9ng nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n<\/a> l\u1edbp 6, v\u1edbi m\u1ed7i b\u00e0i t\u1eadp \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m m\u00e0 kh\u00f4ng c\u00f3 ch\u00fa th\u00edch hay gi\u1edbi thi\u1ec7u g\u00ec th\u00eam. Ta hi\u1ec3u \u0111\u00f3 l\u00e0 c\u00e1c \u0111i\u1ec3m ph\u00e2n bi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh h\u1ecdc n\u00f3i chung \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1edfi t\u1eadp h\u1ee3p c\u00e1c \u0111i\u1ec3m ph\u00e2n bi\u1ec7t ho\u1eb7c tr\u00f9ng nhau. Tr\u00ean th\u1ef1c t\u1ebf, m\u1ed9t \u0111i\u1ec3m c\u0169ng \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 m\u1ed9t h\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng c\u1ee7a m\u1ed9t \u0111i\u1ec3m trong th\u1ef1c t\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ef1c t\u1ebf, ta th\u1ea5y r\u1ea5t nhi\u1ec1u \u0111i\u1ec3m: d\u1ea5u ch\u1ea5m tr\u00ean trang v\u1edf hay m\u1ed9t h\u1ea1t c\u00e1t,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1i ni\u1ec7m \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1i ni\u1ec7m \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u0103ng m\u1ed9t s\u1ee3i ch\u1ec9 hay nh\u00ecn theo \u0111\u01b0\u1eddng m\u00e9p b\u1ea3ng, .. ta \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean c\u01a1 s\u1edf to\u00e1n h\u1ecdc hay tr\u00ean th\u1ef1c t\u1ebf, \u0111\u01b0\u1eddng th\u1eb3ng kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n \u1edf c\u1ea3 hai \u0111\u1ea7u. \u0110\u00e2y c\u0169ng l\u00e0 \u0111i\u1ec3m ph\u00e2n bi\u1ec7t gi\u1eefa \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0 \u0111o\u1ea1n th\u1eb3ng. (\u0110o\u1ea1n th\u1eb3ng b\u1ecb gi\u1edbi h\u1ea1n \u1edf hai \u0111\u1ea7u).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1eddng th\u1eb3ng \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1edfi c\u00e1c ch\u1eef c\u00e1i vi\u1ebft th\u01b0\u1eddng. Nh\u01b0: a, b, c, d, \u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 1 (trang 105 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 3 (trang 105 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 4 (trang 105 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 5 (trang 105 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 6 (trang 105 SGK To\u00e1n 6 T\u1eadp 1):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i t\u1eadp \u0111i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">C\u00e1c ph\u1ea7n th\u01b0\u1edfng cho s\u1ef1 n\u1ed7 l\u1ef1c c\u1ee7a con trong <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng \u0111i\u1ec1u gi\u00fap c\u00e1c con c\u00f3 th\u00eam tinh th\u1ea7n \u0111\u1ec3 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> ch\u00ednh l\u00e0 \u0111\u1ed9ng l\u1ef1c. \u0110\u1ed9ng l\u1ef1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng nhi\u1ec1u c\u00e1ch th\u1ee9c. Tuy nhi\u00ean, theo m\u1ed9t s\u1ed1 kh\u1ea3o s\u00e1t v\u00e0 hi\u1ec7u qu\u1ea3 khi \u00e1p d\u1ee5ng. C\u00e1ch t\u1eb7ng qu\u00e0, th\u01b0\u1edfng cho con ch\u00ednh l\u00e0 c\u00e1ch tr\u1ef1c ti\u1ebfp v\u00e0 mang l\u1ea1i \u0111\u1ed9ng l\u1ef1c t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u1ea7n th\u01b0\u1edfng cho s\u1ef1 n\u1ed7 l\u1ef1c c\u1ee7a con trong h\u1ecdc t\u1eadp<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft tr\u1ebb nh\u1ecf, \u1edf \u0111\u1ed9 tu\u1ed5i t\u1eeb 10 \u2013 11 tu\u1ed5i l\u00e0 khi c\u00e1c con \u0111\u00e3 h\u00ecnh th\u00e0nh n\u00ean s\u1edf th\u00edch ri\u00eang. B\u00ean c\u1ea1nh \u0111\u00f3 l\u00e0 nhu c\u1ea7u v\u1ec1 nh\u1eefng \u0111i\u1ec1u m\u1edbi l\u1ea1. Bi\u1ec3u hi\u1ec7n l\u00e0 con hay \u0111\u00f2i b\u1ed1 m\u1eb9 mua cho m\u1ed9t s\u1ed1 m\u00f3n \u0111\u1ed3. Ho\u1eb7c xin ti\u1ec1n \u0111\u1ec3 th\u1ecfa m\u00e3n nh\u1eefng nhu c\u1ea7u c\u00e1 nh\u00e2n. N\u1ebfu v\u1eady, ba m\u1eb9 h\u00e3y \u0111\u1eb7t ra m\u1ee5c ti\u00eau cho con. V\u00e0 ph\u1ea7n th\u01b0\u1edfng n\u1ebfu con \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng m\u1ee5c ti\u00eau \u0111\u00f3 l\u00e0 nh\u1eefng th\u1ee9 con th\u00edch. C\u00f3 th\u1ec3 l\u00e0 quy\u1ec3n s\u00e1ch, \u0111\u1ed3 ch\u01a1i,\u2026 Hay \u0111\u01a1n gi\u1ea3n l\u00e0 h\u1ee9a h\u1eb9n cho con m\u1ed9t bu\u1ed5i \u0111i ch\u01a1i xa n\u1ebfu con ti\u1ebfn b\u1ed9 trong h\u1ecdc t\u1eadp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u1ea1o ra \u0111\u1ed9ng l\u1ef1c cho con b\u1eb1ng c\u00e1ch t\u1eb7ng nh\u1eefng ph\u1ea7n qu\u00e0 l\u00e0 m\u1ed9t c\u00e1ch hay. Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u00f3 mang l\u1ea1i nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c. V\u00ed d\u1ee5 nh\u01b0 khi\u1ebfn c\u00e1c con n\u1ea3y sinh t\u00ednh \u0111\u00f2i h\u1ecfi. Ho\u1eb7c s\u1ebd khi\u1ebfn c\u00e1c con tho\u00e1i th\u00e1c tr\u00e1ch nhi\u1ec7m, ngh\u0129 r\u1eb1ng vi\u1ec7c h\u1ecdc l\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho ba m\u1eb9 ch\u1ee9 kh\u00f4ng ph\u1ea3i h\u1ecdc v\u00ec b\u1ea3n th\u00e2n m\u00ecnh. V\u00ec v\u1eady, ba m\u1eb9 n\u00ean ti\u1ebft ch\u1ebf trong c\u00e1ch t\u1eb7ng qu\u00e0 hay th\u01b0\u1edfng cho con. B\u00ean c\u1ea1nh nh\u1eefng m\u00f3n qu\u00e0 mang gi\u00e1 tr\u1ecb v\u1eadt ch\u1ea5t. C\u1ea7n truy\u1ec1n t\u1ea3i nh\u1eefng n\u1ed9i dung nh\u00e2n v\u0103n cho con hi\u1ec3u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">v\u1ea5n \u0111\u1ec1 ti\u00eau c\u1ef1c c\u1ee7a c\u00e1c ph\u1ea7n th\u01b0\u1edfng cho s\u1ef1 n\u1ed7 l\u1ef1c c\u1ee7a con trong h\u1ecdc t\u1eadp<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 tr\u1ebb, nh\u1eefng m\u00f3n qu\u00e0 v\u1eadt ch\u1ea5t s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng k\u00edch th\u00edch tinh th\u1ea7n con. \u0110i\u1ec1u c\u0103n b\u1ea3n v\u1eabn l\u00e0 \u1edf nh\u1eefng ng\u01b0\u1eddi cha, ng\u01b0\u1eddi m\u1eb9. Cha m\u1eb9 n\u00ean quan t\u00e2m nhi\u1ec1u h\u01a1n \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng tinh th\u1ea7n c\u1ee7a con. Quan tr\u1ecdng h\u01a1n c\u1ea3 v\u1eadt ch\u1ea5t \u0111\u00f3 l\u00e0 ni\u1ec1m vui c\u1ee7a tr\u1ebb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00e1nh xa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ee3i \u00edch c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ed1i v\u1edbi tr\u1ebb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ee3i \u00edch c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ed1i v\u1edbi tr\u1ebb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">M\u1eb7t ti\u00eau c\u1ef1c khi tr\u1ebb s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed sai c\u00e1ch<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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 h\u1ecdc t\u1eadp. 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. Th\u1eadm ch\u00ed c\u00f2n g\u00e2y ra c\u00e1c b\u1ec7nh v\u1ec1 m\u1eaft, v\u1ec1 da\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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 class=\"wp-block-paragraph\">M\u1eb7t ti\u00eau c\u1ef1c khi tr\u1ebb s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed sai c\u00e1ch<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba m\u1eb9 c\u1ea7n l\u00e0m g\u00ec \u0111\u1ec3 gi\u00fap \u0111\u1ee1 tr\u1ebb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec v\u1eady, ngo\u00e0i th\u1eddi gian h\u1ecdc t\u1eadp, 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 h\u1ecdc t\u1eadp 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 class=\"wp-block-paragraph\">L\u1eddi k\u1ebft:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u1ed5ng h\u1ee3p c\u1ee7a toppy v\u1ec1 ch\u1ee7 \u0111\u1ec1 to\u00e1n l\u1edbp 6: \u0110i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng. Vietlearn r\u1ea5t vui khi \u0111\u01b0\u1ee3c \u0111\u1ed3ng h\u00e0nh c\u0169ng ba m\u1eb9 v\u00e0 c\u00e1c con trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc t\u1eadp m\u1edbi v\u00e8 \u0111\u1eb7c bi\u1ec7t n\u00e0y. Xem th\u00eam c\u00e1c ch\u1ee7<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn \u0110i\u1ec3m, \u0111\u01b0\u1eddng th\u1eb3ng trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 6 l\u00e0 m\u1ed9t trong nh\u1eefng b\u00e0i h\u1ecdc c\u01a1 b\u1ea3n. H\u1ecdc sinh c\u1ea7n n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c to\u00e1n h\u00ecnh n\u00e0y. \u0110\u1ec3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng v\u00e0 m\u1edf r\u1ed9ng ki\u1ebfn th\u1ee9c trong nh\u1eefng b\u00e0i h\u1ecdc sau. H\u00e3y \u0111\u1ec3 Vietlearn \u0111\u1ed3ng h\u00e0nh c\u00f9ng con [&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-2725","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\/2725","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=2725"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2725\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}