Tr\u00ean \u0111\u00e2y ch\u00fang ta \u0111\u00e3 bi\u1ebft th\u1ebf n\u00e0o l\u00e0 ma tr\u1eadn nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t ma tr\u1eadn c\u1ea5p n. D\u01b0\u1edbi \u0111\u00e2y xin gi\u1edbi thi\u1ec7u ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o n\u00ean m\u1ed9t ma tr\u1eadn c\u1ea5p l\u1ebb. Ma tr\u1eadn n\u00e0y do Loblai thi\u1ebft l\u1eadp v\u00e0o th\u1ebf k\u1ec9<\/p>\n\n\n\n
H\u00ecnh ph\u00eda b\u00ean ph\u1ea3i tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p c\u1ea5u t\u1ea1o ma tr\u1eadn c\u1ea5p b\u1ea3y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc l\u00e0m c\u1ee5 th\u1ec3.<\/p>\n\n\n\n
B\u01b0\u1edbc th\u1ee9 nh\u1ea5t: \u0110\u1eb7t s\u1ed1 1 v\u00e0o \u00f4 ch\u00ednh gi\u1eefa c\u1ee7a h\u00e0ng tr\u00ean c\u00f9ng.<\/p>\n\n\n\n
B\u01b0\u1edbc th\u1ee9 hai: Chi\u1ebfu theo th\u1ee9 t\u1ef1 c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean, s\u1ed1 l\u1edbn \u0111\u1eb7t \u1edf \u00f4 vu\u00f4ng ph\u00eda b\u00ean ph\u1ea3i li\u1ec1n h\u00e0ng tr\u00ean, v\u00ed d\u1ee5 s\u1ed1 3 ph\u1ea3i \u1edf \u00f4 vu\u00f4ng b\u00ean ph\u1ea3i ph\u00eda tr\u00ean s\u1ed1 2, s\u1ed1 4 \u1edf \u00f4 vu\u00f4ng b\u00ean ph\u1ea3i ph\u00eda tr\u00ean s\u1ed1 3. Th\u1ebf nh\u01b0ng khi g\u1eb7p t\u00ecnh h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y ta ph\u1ea3i thay \u0111\u1ed5i:<\/p>\n\n\n\n
N\u1ebfu s\u1ed1 a \u0111\u00e3 \u1edf h\u00e0ng tr\u00ean c\u00f9ng, th\u00ec a +1 ph\u1ea3i \u0111\u1eb7t \u1edf h\u00e0ng d\u01b0\u1edbi c\u00f9ng thu\u1ed9c c\u1ed9t li\u1ec1n ph\u00eda b\u00ean ph\u1ea3i. Nh\u01b0 s\u1ed1 2 ph\u1ea3i \u0111\u1eb7t \u1edf h\u00e0ng cu\u1ed1i c\u1ed9t b\u00ean ph\u1ea3i c\u1ed9t c\u00f3 s\u1ed1 1, s\u1ed1 11 \u1edf h\u00e0ng cu\u1ed1i c\u1ee7a c\u1ed9t ph\u00eda ph\u1ea3i li\u1ec1n v\u1edbi c\u1ed9t s\u1ed1 10.<\/p>\n\n\n\n
N\u1ebfu b \u0111\u00e3 \u0111\u1eb7t \u1edf \u00f4 c\u1ef1c b\u00ean ph\u1ea3i c\u1ee7a m\u1ed9t h\u00e0ng th\u00ec s\u1ed1 b +1 ph\u1ea3i \u0111\u1eb7t \u1edf \u00f4 c\u1ef1c b\u00ean tr\u00e1i c\u1ee7a h\u00e0ng ph\u00eda tr\u00ean. V\u00ed d\u1ee5 s\u1ed1 4 \u0111\u00e3 \u0111\u1eb7t \u1edf c\u1ef1c b\u00ean ph\u1ea3i c\u1ee7a m\u1ed9t h\u00e0ng, th\u00ec s\u1ed1 5 ph\u1ea3i \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed c\u1ef1c b\u00ean tr\u00e1i c\u1ee7a h\u00e0ng li\u1ec1n ph\u00eda tr\u00ean. V\u00ed d\u1ee5 v\u1ecb tr\u00ed c\u00e1c s\u1ed1 12 v\u00e0 s\u1ed1 13.<\/p>\n\n\n\n
Khi \u0111\u00e3 \u0111\u1ebfn \u00f4 vu\u00f4ng g\u00f3c tr\u00ean b\u00ean ph\u1ea3i ho\u1eb7c \u0111\u1ebfn \u00f4 vu\u00f4ng m\u00e0 \u00f4 ph\u00eda tr\u00ean \u0111\u00e3 c\u00f3 con s\u1ed1 chi\u1ebfm gi\u1eef th\u00ec \u0111\u1eb7t con s\u1ed1 l\u1edbn h\u01a1n v\u00e0o \u00f4 \u1edf c\u00f9ng c\u1ed9t li\u1ec1n ph\u00eda d\u01b0\u1edbi. Nh\u01b0 v\u1edbi c\u00e1c \u00f4 29 v\u00e0 28, s\u1ed1 8 v\u00e0 s\u1ed1 7.<\/p>\n\n\n\n
Theo quy t\u1eafc \u0111\u00e3 m\u00f4 t\u1ea3 \u1edf tr\u00ean ta c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c ma tr\u1eadn c\u1ea5p b\u1ea3y. B\u1ea1n th\u1eed d\u00f9ng quy t\u1eafc n\u00e0y \u0111\u1ec3 t\u1ea1o n\u00ean c\u00e1c ma tr\u1eadn c\u1ea5p n\u0103m, c\u1ea5p ch\u00edn, c\u1ea5p m\u01b0\u1eddi m\u1ed9t.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Ma tr\u1eadn (ma tr\u1eadn vu\u00f4ng).<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Tr\u00ean \u0111\u00e2y ch\u00fang ta \u0111\u00e3 bi\u1ebft th\u1ebf n\u00e0o l\u00e0 ma tr\u1eadn nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t ma tr\u1eadn c\u1ea5p n. D\u01b0\u1edbi \u0111\u00e2y xin gi\u1edbi thi\u1ec7u ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o n\u00ean m\u1ed9t ma tr\u1eadn c\u1ea5p l\u1ebb. Ma tr\u1eadn n\u00e0y do Loblai thi\u1ebft l\u1eadp v\u00e0o th\u1ebf k\u1ec9 H\u00ecnh ph\u00eda b\u00ean ph\u1ea3i tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p […]<\/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":[15,9],"tags":[],"class_list":["post-7587","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-toan-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7587","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=7587"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7587\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}