{"id":1083,"date":"2021-10-08T13:11:39","date_gmt":"2021-10-08T13:11:39","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1083"},"modified":"2021-10-14T22:10:32","modified_gmt":"2021-10-14T15:10:32","slug":"giai-bai-toan-bang-cach-lap-phuong-trinh-ly-thuyet-va-thuc-hanh","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/giai-bai-toan-bang-cach-lap-phuong-trinh-ly-thuyet-va-thuc-hanh\/","title":{"rendered":"Gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh \u2013 L\u00fd thuy\u1ebft v\u00e0 th\u1ef1c h\u00e0nh"},"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\">Ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ec1u l\u00e0 nh\u1eefng <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a> nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng trong <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ch\u01b0\u01a1ng tr\u00ecnh To\u00e1n<\/a> h\u1ecdc. \u0110\u1ec3 t\u00ecm hi\u1ec3u ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00fang nh\u1ea5t c\u00f9ng nh\u1eefng ki\u1ebfn th\u1ee9c t\u1ed5ng quan v\u1ec1 ph\u01b0\u01a1ng tr\u00ecnh, \u0111\u1eebng b\u1ecf qua b\u00e0i vi\u1ebft sau \u0111\u00e2y c\u1ee7a Vietlearn nh\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5ng quan v\u1ec1 ph\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh, c\u00e1c b\u1ea1n \u0111\u1ecdc c\u1ea7n ph\u1ea3i n\u1eafm r\u00f5 nh\u1eefng ki\u1ebfn th\u1ee9c t\u1ed5ng quan nh\u01b0 ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 g\u00ec.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef d\u00f9ng \u0111\u1ec3 ch\u1ec9 2 bi\u1ec3u th\u1ee9c b\u1eb1ng nhau. Trong ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 ch\u1ee9a bi\u1ebfn s\u1ed1 (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u1ea9n), ph\u01b0\u01a1ng tr\u00ecnh bao g\u1ed3m 2 lo\u1ea1i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 \u0111i\u1ec1u ki\u1ec7n: L\u00e0 lo\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh ch\u1ec9 c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh c\u1ee7a bi\u1ebfn s\u1ed1. Ngo\u00e0i ra ph\u01b0\u01a1ng tr\u00ecnh c\u0169ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00fang \u0111\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ebfn s\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng nh\u1ea5t th\u1ee9c: L\u00e0 ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ebfn s\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 nh\u1eefng <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a> \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u b\u00e0i t\u1eadp ph\u1ee9c t\u1ea1p h\u01a1n. Gi\u1ea3i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh ngh\u0129a l\u00e0 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb \u0111\u00fang c\u1ee7a \u1ea9n s\u1ed1 sao cho ph\u01b0\u01a1ng tr\u00ecnh tr\u1edf n\u00ean \u0111\u00fang. Ngo\u00e0i ra, gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ebfn s\u1ed1 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y theo c\u00e1ch vi\u1ebft 2 bi\u1ec3u th\u1ee9c 2 b\u00ean v\u00e0 ng\u0103n 2 bi\u1ec3u th\u1ee9c n\u00e0y b\u1edfi d\u1ea5u \u201c=\u2019\u2019.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng d\u1ea1ng to\u00e1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1ea3i b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh l\u1edbp 9 l\u00e0 ki\u1ebfn th\u1ee9c th\u01b0\u1eddng \u0111\u01b0\u1ee3c xu\u1ea5t hi\u1ec7n \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 d\u1ea1ng to\u00e1n nh\u01b0 b\u00e0i to\u00e1n chuy\u1ec3n \u0111\u1ed9ng, b\u00e0i to\u00e1n n\u0103ng su\u1ea5t, to\u00e1n c\u00f3 n\u1ed9i dung s\u1ed1 h\u1ecdc v\u00e0 h\u00ecnh h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 b\u00e0i to\u00e1n th\u01b0\u1eddng g\u1eb7p<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i to\u00e1n chuy\u1ec3n \u0111\u1ed9ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i to\u00e1n chuy\u1ec3n \u0111\u1ed9ng l\u00e0 m\u1ed9t d\u1ea1ng to\u00e1n d\u00f9ng \u0111\u1ec3 t\u00ednh v\u1eadn t\u1ed1c, th\u1eddi gian ho\u1eb7c qu\u00e3ng \u0111\u01b0\u1eddng khi c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111ang di chuy\u1ec3n b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c nhau. Vi\u1ec7c gi\u1ea3i b\u00e0i to\u00e1n th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed1i v\u1edbi b\u00e0i to\u00e1n chuy\u1ec3n \u0111\u1ed9ng s\u1ebd gi\u00fap cho b\u1ea1n qu\u1ea3n l\u00fd th\u1eddi gian \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed1i v\u1edbi b\u00e0i to\u00e1n chuy\u1ec3n \u0111\u1ed9ng nh\u01b0 sau: S = v.t (trong \u0111\u00f3: S l\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng, v l\u00e0 v\u1eadn t\u1ed1c c\u00f2n t l\u00e0 th\u1eddi gian). \u0110\u1ec3 t\u00ednh v\u1eadn t\u1ed1c v\u00e0 th\u1eddi gian di chuy\u1ec3n, b\u1ea1n c\u00f3 th\u1ec3 suy ra t\u1eeb c\u00f4ng th\u1ee9c g\u1ed1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, v\u1eadn t\u1ed1c c\u1ee7a nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n d\u01b0\u1edbi n\u01b0\u1edbc c\u0169ng \u0111\u01b0\u1ee3c t\u00ednh theo m\u1ed9t c\u00f4ng th\u1ee9c kh\u00e1c. Theo \u0111\u00f3:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">vxu\u00f4i = vth\u1ef1c + vn\u01b0\u1edbc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">vng\u01b0\u1ee3c = vth\u1ef1c \u2013 vn\u01b0\u1edbc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i to\u00e1n c\u00f3 n\u1ed9i dung s\u1ed1 h\u1ecdc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i to\u00e1n v\u1edbi n\u1ed9i dung s\u1ed1 h\u1ecdc l\u00e0 b\u00e0i to\u00e1n li\u00ean quan \u0111\u1ebfn quan h\u1ec7 gi\u1eefa c\u00e1c s\u1ed1. V\u00ed d\u1ee5 nh\u01b0 quan h\u1ec7 b\u1eb1ng nhau, nh\u1ecf h\u01a1n ho\u1eb7c l\u1edbn h\u01a1n, quan h\u1ec7 \u0111\u1ed3ng d\u1ea1ng v\u00e0 quan h\u1ec7 \u0111\u1ed3ng d\u01b0,\u2026 Vi\u1ec7c t\u00ecm \u1ea9n s\u1ed1 th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh s\u1ebd gi\u00fap b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n \u0111\u1ec3 bi\u1ec3u th\u1ee9c cho tr\u01b0\u1edbc tr\u1edf n\u00ean c\u00f3 ngh\u0129a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecbnh ngh\u0129a th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t \u0111\u1ed1i v\u1edbi b\u00e0i to\u00e1n c\u00f3 n\u1ed9i dung s\u1ed1 h\u1ecdc: t\u1ef7 s\u1ed1 gi\u1eefa 2 s\u1ed1 a v\u00e0 b l\u00e0 a\/b v\u1edbi b \u2260 0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i to\u00e1n c\u00f3 n\u1ed9i dung h\u00ecnh h\u1ecdc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To\u00e1n c\u00f3 n\u1ed9i dung h\u00ecnh h\u1ecdc l\u00e0 nh\u1eefng d\u1ea1ng to\u00e1n c\u00f3 li\u00ean quan \u0111\u1ebfn v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c h\u00ecnh,\u2026 Khi gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh v\u1ec1 h\u00ecnh h\u1ecdc, c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i ch\u00fa \u00fd nh\u1eefng c\u00f4ng th\u1ee9c t\u00ednh chu vi, di\u1ec7n t\u00edch c\u1ee7a c\u00e1c h\u00ecnh,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i to\u00e1n t\u00ednh n\u0103ng su\u1ea5t<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng b\u00e0i to\u00e1n t\u00ednh n\u0103ng su\u1ea5t chi\u1ebfm t\u1ef7 l\u1ec7 r\u1ea5t l\u1edbn trong s\u1ed1 c\u00e1c b\u00e0i t\u1eadp th\u01b0\u1eddng g\u1eb7p c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh. C\u00f4ng th\u1ee9c li\u00ean quan \u0111\u1ebfn b\u00e0i to\u00e1n n\u0103ng su\u1ea5t: V = N.T (trong \u0111\u00f3: V l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c, N l\u00e0 n\u0103ng su\u1ea5t v\u00e0 T l\u00e0 th\u1eddi gian). \u0110\u1ec3 t\u00ednh th\u1eddi gian c\u1ea7n \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c v\u00e0 n\u0103ng su\u1ea5t l\u00e0m vi\u1ec7c. Vi\u1ec7c t\u00ednh to\u00e1n n\u0103ng su\u1ea5t s\u1ebd gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd c\u00f4ng vi\u1ec7c hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p> Gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng c\u00e1ch c\u1ed9ng \u0111\u1ea1i s\u1ed1<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh \u0111\u1ec3 gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 gi\u1ea3i to\u00e1n th\u00f4ng qua vi\u1ec7c l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh, b\u1ea1n c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n theo 3 b\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i c\u00e1c d\u1ea1ng to\u00e1n th\u00f4ng qua vi\u1ec7c l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Ph\u00e2n t\u00edch \u0111\u1ec1 b\u00e0i<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean m\u00e0 b\u1ea1n c\u1ea7n n\u1eafm l\u00e0 \u0111\u1ecdc hi\u1ec3u v\u00e0 ph\u00e2n t\u00edch \u0111\u1ec1 b\u00e0i \u0111\u01b0\u1ee3c cho tr\u01b0\u1edbc. Sau \u0111\u00f3 b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea1i l\u01b0\u1ee3ng \u0111\u00e3 c\u00f3 s\u1eb5n, \u0111\u1ea1i l\u01b0\u1ee3ng c\u1ea7n t\u00ecm, m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ea1i l\u01b0\u1ee3ng c\u1ea7n t\u00ecm v\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u00e3 cho.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ecdn bi\u1ebfn s\u1ed1 ph\u00f9 h\u1ee3p cho \u0111\u1ec1 b\u00e0i v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u1ee7a bi\u1ebfn s\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bi\u1ec3u di\u1ec5n nh\u1eefng \u0111\u1ea1i l\u01b0\u1ee3ng c\u00f2n l\u1ea1i d\u1ef1a v\u00e0o bi\u1ebfn s\u1ed1 \u0111\u00e3 ch\u1ecdn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eadp ph\u01b0\u01a1ng tr\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: Gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u1ebfp theo, b\u1ea1n c\u1ea7n ph\u1ea3i gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00e3 l\u1eadp \u0111\u01b0\u1ee3c \u1edf b\u01b0\u1edbc 1, x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb \u0111\u00fang c\u1ee7a bi\u1ebfn s\u1ed1 \u0111\u1ec3 ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 ngh\u0129a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: K\u1ebft lu\u1eadn \u0111\u00e1p \u00e1n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi \u0111\u00e3 t\u00ecm \u0111\u01b0\u1ee3c nghi\u1ec7m th\u00f4ng qua b\u01b0\u1edbc gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh, b\u1ea1n c\u1ea7n ti\u1ebfp t\u1ee5c so s\u00e1nh v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n \u0111\u00fang, sau \u0111\u00f3 k\u1ebft lu\u1eadn \u0111\u00e1p \u00e1n cu\u1ed1i c\u00f9ng c\u1ee7a b\u00e0i to\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 t\u1ed5ng h\u1ee3p nh\u1eefng n\u1ed9i dung v\u1ec1 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh c\u0169ng nh\u01b0 c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c nh\u1ea5t. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam nh\u1eefng ki\u1ebfn th\u1ee9c To\u00e1n h\u1ecdc kh\u00e1c, h\u00e3y truy c\u1eadp ngay v\u00e0o trang web 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\">Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai m\u1ed9t \u1ea9n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng h\u1eb1ng \u0111\u1eb3ng th\u1ee9c \u0111\u00e1ng nh\u1edb \u2013 L\u00fd thuy\u1ebft v\u00e0 th\u1ef1c h\u00e0nh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ec1u l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh To\u00e1n h\u1ecdc. \u0110\u1ec3 t\u00ecm hi\u1ec3u ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00fang nh\u1ea5t c\u00f9ng nh\u1eefng ki\u1ebfn th\u1ee9c t\u1ed5ng quan v\u1ec1 ph\u01b0\u01a1ng tr\u00ecnh, \u0111\u1eebng [&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-1083","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\/1083","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=1083"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1083\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}