{"id":1039,"date":"2021-10-08T13:05:20","date_gmt":"2021-10-08T13:05:20","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1039"},"modified":"2021-10-14T22:10:36","modified_gmt":"2021-10-14T15:10:36","slug":"phan-thuc-dai-so-nhung-tinh-chat-co-ban-can-thuoc-nam-long","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/phan-thuc-dai-so-nhung-tinh-chat-co-ban-can-thuoc-nam-long\/","title":{"rendered":"Ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 \u2013 Nh\u1eefng t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ea7n thu\u1ed9c n\u1eb1m l\u00f2ng"},"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 h\u1ecdc l\u00e0 m\u00f4n h\u1ecdc r\u1ea5t \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng trong c\u00f4ng t\u00e1c gi\u1ea3ng d\u1ea1y, b\u1edfi \u0111\u00e2y ch\u00ednh l\u00e0 m\u00f4n h\u1ecdc ti\u1ec1n \u0111\u1ec1 \u0111\u01b0a ra nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp c\u01a1 b\u1ea3n \u0111\u1ec3 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> c\u00f3 th\u1ec3 ti\u1ebfp thu v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy nhi\u1ec1u h\u01a1n. H\u00f4m nay, Vietlearn s\u1ebd gi\u1edbi thi\u1ec7u \u0111\u1ebfn c\u00e1c b\u1ea1n m\u1ed9t b\u00e0i to\u00e1n c\u01a1 b\u1ea3n nh\u01b0ng l\u1ea1i ph\u1ee5c v\u1ee5 r\u1ea5t nhi\u1ec1u cho c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p \u0111\u00f3 l\u00e0 d\u1ea1ng ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1. Ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u nh\u00e9!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a> v\u1ec1 ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecbnh ngh\u0129a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 hay ph\u00e2n th\u1ee9c l\u00e0 m\u1ed9t bi\u1ec3u th\u1ee9c c\u00f3 d\u1ea1ng A\/B, trong \u0111\u00f3 A, B l\u00e0 c\u00e1c \u0111a th\u1ee9c v\u00e0 \u0111\u1eb7c bi\u1ec7t, \u0111\u1ec3 bi\u1ec3u ph\u00e2n th\u1ee9c c\u00f3 ngh\u0129a th\u00ec \u0111i\u1ec1u ki\u1ec7n B ph\u1ea3i kh\u00e1c 0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai ph\u00e2n th\u1ee9c b\u1eb1ng nhau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi hai ph\u00e2n th\u1ee9c A\/B v\u00e0 C\/D (\u0110i\u1ec1u ki\u1ec7n: B,D kh\u00e1c 0), ta n\u00f3i A\/B = C\/D n\u1ebfu A.D = B.C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a ph\u00e2n th\u1ee9c l\u1edbp 8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a ph\u00e2n th\u1ee9c to\u00e1n 8 m\u00e0 c\u00e1c b\u1ea1n <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> n\u00ean nh\u1edb:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\/B = A.M\/B.M v\u1edbi \u0111i\u1ec1u ki\u1ec7n M l\u00e0 m\u1ed9t \u0111a th\u1ee9c kh\u00e1c 0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\/B = A:N\/B:N v\u1edbi \u0111i\u1ec1u ki\u1ec7n N l\u00e0 m\u1ed9t \u0111a th\u1ee9c kh\u00e1c kh\u00f4ng, trong ph\u00e9p t\u00ednh n\u00e0y N \u0111\u01b0\u1ee3c coi l\u00e0 nh\u00e2n t\u1eed chung c\u1ee7a ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc \u0111\u1ed5i d\u1ea5u:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu \u0111\u1ed5i d\u1ea5u c\u1ea3 t\u1eed v\u00e0 m\u1eabu c\u1ee7a m\u1ed9t ph\u00e2n th\u1ee9c ta s\u1ebd \u0111\u01b0\u1ee3c m\u1ed9t ph\u00e2n th\u1ee9c m\u1edbi b\u1eb1ng v\u1edbi ph\u00e2n th\u1ee9c \u0111\u00e3 cho: A\/B = -A\/-B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5i d\u1ea5u ph\u00e2n th\u1ee9c v\u00e0 t\u1eed s\u1ed1: A\/B = -(-A)\/B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5i d\u1ea5u ph\u00e2n th\u1ee9c v\u00e0 m\u1eabu s\u1ed1: A\/B = -(A)\/-B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5i d\u1ea5u m\u1eabu: A\/-B = -(A)\/B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To\u00e1n 8 t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a ph\u00e2n th\u1ee9c \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u1edbi \u0111a d\u1ea1ng c\u00e1c b\u00e0i t\u1eadp t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao v\u00e0 v\u1eabn c\u00f2n s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean khi l\u00ean c\u00e1c l\u1edbp tr\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i quy \u0111\u1ed3ng m\u1eabu th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: T\u00ecm m\u1eabu chung<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n t\u00edch ph\u1ea7n h\u1ec7 s\u1ed1 th\u00e0nh th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 ph\u1ea7n bi\u1ebfn nh\u00e2n t\u1eed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eabu chung bao g\u1ed3m: ph\u1eadn h\u1ec7 s\u1ed1 c\u1ee7a c\u00e1c h\u1ec7 s\u1ed1 m\u1eabu v\u00e0 ph\u1ea7n bi\u1ebfn l\u00e0 t\u00edch c\u00e1c nh\u00e2n t\u1eed chung v\u00e0 ri\u00eang c\u1ee7a m\u1ed7i ph\u1ea7n t\u1eed l\u1ea5y s\u1ed1 m\u0169 l\u1edbn nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: T\u00ecm nh\u00e2n t\u1eed ph\u1ee5 c\u1ee7a m\u1ed7i ph\u00e2n th\u1ee9c b\u1eb1ng c\u00e1ch l\u1ea5y m\u1eabu chung chia cho t\u1eebng m\u1eabu \u0111a ph\u00e2n t\u00edch th\u00e0nh ph\u00e2n t\u1eed \u1edf b\u01b0\u1edbc 1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: Nh\u00e2n c\u1ea3 t\u1eed v\u00e0 m\u1eabu c\u1ee7a m\u1ed7i ph\u00e2n th\u1ee9c v\u1edbi nh\u00e2n t\u1eed ph\u1ee5 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i r\u00fat g\u1ecdn ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00fat g\u1ecdn ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 d\u1ea1ng b\u00e0i \u0111\u01a1n gi\u1ea3n tuy nhi\u00ean c\u1ea7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch t\u1ed1t \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ecm ra c\u00e1ch gi\u1ea3i nhanh nh\u1ea5t. D\u1ea1ng b\u00e0i r\u00fat g\u1ecdn ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 ch\u00ednh l\u00e0 c\u00e1ch bi\u1ebfn \u0111\u1ed5i nh\u1eefng ph\u00e2n th\u1ee9c ph\u1ee9c t\u1ea1p th\u00e0nh nh\u1eefng ph\u00e2n th\u1ee9c \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 b\u1eb1ng v\u1edbi ph\u00e2n th\u1ee9c \u0111a cho.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mu\u1ed1n r\u00fat g\u1ecdn ph\u00e2n th\u1ee9c m\u1ed9t c\u00e1ch nhanh ch\u00f3ng ta c\u00f3 th\u1ec3 l\u00e0m nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n t\u00edch t\u1eed v\u00e0 m\u1eabu th\u00e0nh nh\u00e2n t\u1eed \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c nh\u00e2n t\u1eed chung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chia c\u1ea3 t\u1eed v\u00e0 m\u1eabu cho nh\u00e2n t\u1eed chung \u0111\u1ec3 r\u00fat g\u1ecdn bi\u1ec3u th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5: R\u00fat g\u1ecdn ph\u00e2n th\u1ee9c sau A = (x + 2&#215;2)\/( x2 \u2013 x)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Ph\u00e2n t\u00edch t\u1eed v\u00e0 m\u1eabu \u0111\u1ec3 t\u00ecm nh\u00e2n t\u1eed chung<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A = x(1 + 2x)\/x(x \u2013 1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady ta c\u00f3 nh\u00e2n t\u1eed chung l\u00e0 x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: Chia c\u1ea3 t\u1eed v\u00e0 m\u1eabu cho nh\u00e2n t\u1eed chung x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady ta \u0111\u01b0\u1ee3c ph\u00e2n th\u1ee9c r\u00fat g\u1ecdn b = (1 + 2x)\/(x \u2013 1) b\u1eb1ng v\u1edbi ph\u00e2n th\u1ee9c A = (x + 2x)\/(x2 \u2013 x)<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p> R\u00fat g\u1ecdn ph\u00e2n th\u1ee9c<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i c\u1ed9ng tr\u1eeb hai ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To\u00e1n 8 ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 r\u1ea5t hay g\u1eb7p d\u1ea1ng to\u00e1n n\u00e0y, m\u1ed9t s\u1ed1 l\u01b0u \u00fd nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a ph\u00e9p c\u1ed9ng v\u00e0 ph\u00e9p tr\u1eeb c\u00e1c ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Giao ho\u00e1n: A\/B + C\/D = C\/D + A\/B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft h\u1ee3p: (A\/B + C\/D) + E\/F = A\/B + (B\/C + E\/F)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5i d\u1ea5u: -(A)\/B = -A\/B = A\/-B hay -(-A)\/B = A\/B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ed9ng tr\u1eeb hai ph\u00e2n th\u1ee9c c\u00f9ng m\u1eabu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc: Mu\u1ed1n c\u1ed9ng, tr\u1eeb hai ph\u00e2n th\u1ee9c c\u00f3 c\u00f9ng m\u1eabu th\u1ee9c ta c\u1ed9ng, tr\u1eeb t\u1eed s\u1ed1 v\u1edbi nhau v\u00e0 gi\u1eef nguy\u00ean m\u1eabu s\u1ed1 c\u1ee7a ph\u00e2n th\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5: A\/B + C\/B = (A + C)\/B<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>       D\/E \u2013 F\/E = (D -F)\/E<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ed9ng tr\u1eeb hai ph\u00e2n th\u1ee9c kh\u00e1c m\u1eabu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc: Mu\u1ed1n c\u1ed9ng, tr\u1eeb hai ph\u00e2n th\u1ee9c kh\u00e1c m\u1eabu th\u1ee9c ta quy \u0111\u1ed3ng m\u1eabu th\u1ee9c c\u1ee7a c\u00e1c ph\u00e2n th\u1ee9c r\u1ed3i c\u1ed9ng, tr\u1eeb c\u00e1c ph\u00e2n th\u1ee9c c\u00f3 c\u00f9ng m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm \u0111\u01b0\u1ee3c tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i nh\u00e2n chia hai ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p to\u00e1n nh\u00e2n chia c\u00e1c ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e2n hai ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc: Mu\u1ed1n nh\u00e2n hai ph\u00e2n th\u1ee9c v\u1edbi nhau ta l\u1ea5y t\u1eed nh\u00e2n v\u1edbi t\u1eeb v\u00e0 m\u1eabu nh\u00e2n v\u1edbi m\u1eabu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5: A\/B * C\/D = (A * C)\/(B * D)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Giao ho\u00e1n: A\/B * C\/D = C\/D * A\/B<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft h\u1ee3p: (A\/B * C\/D) * E\/F = A\/B * (C\/D * E\/F)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n ph\u1ed1i \u0111\u1ed1i v\u1edbi ph\u00e9p c\u1ed9ng: A\/B * (C\/D + E\/F) = (A\/B * C\/D) + (A\/B * E\/F)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chia hai ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc: Mu\u1ed1n chia ph\u00e2n th\u1ee9c A\/B cho ph\u00e2n th\u1ee9c C\/D ( kh\u00e1c 0) ta ch\u1ec9 c\u1ea7n l\u1ea5y ph\u00e2n th\u1ee9c A?B nh\u00e2n v\u1edbi ngh\u1ecbch \u0111\u1ea3o c\u1ee7a ph\u00e2n th\u1ee9c C\/D<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5: A\/B : C\/D = A\/B * D\/C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n th\u1ee9c ngh\u1ecbch \u0111\u1ea3o: Hai ph\u00e2n th\u1ee9c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ngh\u1ecbch \u0111\u1ea3o c\u1ee7a nhau n\u1ebfu t\u00edch c\u1ee7a ch\u00fang b\u1eb1ng 1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5: Ph\u00e2n th\u1ee9c A\/B v\u00e0 B\/A l\u00e0 ph\u00e2n th\u1ee9c ngh\u1ecbch \u0111\u1ea3o c\u1ee7a nhau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i bi\u1ebfn \u0111\u1ed5i c\u00e1c bi\u1ec3u th\u1ee9c h\u1eefu t\u1ec9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc c\u1ed9ng, tr\u1eeb, nh\u00e2n, chia ph\u00e2n th\u1ee9c \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i c\u00e1c bi\u1ebfn \u0111\u1ed5i c\u00e1c bi\u1ec3u th\u1ee9c h\u1eefu t\u1ec9 th\u00e0nh ph\u00e2n th\u1ee9c.<\/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 d\u1ea1ng b\u00e0i \u0111\u1eb7c tr\u01b0ng c\u1ee7a ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 l\u1edbp 8 m\u00e0 Vietlearn mu\u1ed1n gi\u1edbi thi\u1ec7u \u0111\u1ebfn c\u00e1c b\u1ea1n <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a>, v\u1edbi hy v\u1ecdng gi\u00fap c\u00e1c b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y. N\u1ebfu nh\u01b0 b\u1ea1n mu\u1ed1n h\u1ecdc t\u1ed1t m\u00f4n to\u00e1n th\u00ec \u0111\u00e2y s\u1ebd l\u00e0 d\u1ea1ng b\u00e0i t\u1eadp m\u00e0 b\u1ea1n kh\u00f4ng n\u00ean b\u1ecf qua. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam ki\u1ebfn th\u1ee9c v\u1ec1 nhi\u1ec1u m\u00f4n h\u1ecdc kh\u00e1c n\u1eefa, h\u00e3y truy c\u1eadp website:Vietlearn.org\/ nh\u00e9!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ecm hi\u1ec3u th\u00eam:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chia \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn \u0111\u00e3 s\u1eafp x\u1ebfp<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng th\u1ee9c nghi\u1ec7m thu g\u1ecdn \u2013 m\u1eb9o \u00f4n luy\u1ec7n n\u00e2ng cao \u0111i\u1ec3m To\u00e1n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Q<\/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 h\u1ecdc l\u00e0 m\u00f4n h\u1ecdc r\u1ea5t \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng trong c\u00f4ng t\u00e1c gi\u1ea3ng d\u1ea1y, b\u1edfi \u0111\u00e2y ch\u00ednh l\u00e0 m\u00f4n h\u1ecdc ti\u1ec1n \u0111\u1ec1 \u0111\u01b0a ra nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp c\u01a1 b\u1ea3n \u0111\u1ec3 h\u1ecdc sinh c\u00f3 th\u1ec3 ti\u1ebfp thu v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy nhi\u1ec1u h\u01a1n. H\u00f4m nay, Vietlearn s\u1ebd gi\u1edbi [&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],"tags":[],"class_list":["post-1039","post","type-post","status-publish","format-standard","hentry","category-toan-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1039","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=1039"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1039\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}