{"id":25502,"date":"2021-12-24T17:04:06","date_gmt":"2021-12-24T10:04:06","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=25502"},"modified":"2021-12-24T17:04:07","modified_gmt":"2021-12-24T10:04:07","slug":"bai-so-13-do-vui-luyen-tri-thong-minh","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/bai-so-13-do-vui-luyen-tri-thong-minh\/","title":{"rendered":"B\u00c0I S\u1ed0 13 – \u0110\u1ed1 vui luy\u1ec7n tr\u00ed th\u00f4ng minh"},"content":{"rendered":"

H\u00ecnh n\u00e0o kh\u00e1c c\u00e1c h\u00ecnh c\u00f2n l\u1ea1i:<\/p>\n

<\/a>C\u00c2U 1:<\/h3>\n

\"26.jpg\"<\/p>\n

<\/a>C\u00c2U 2:<\/h3>\n

\"27.jpg\"<\/p>\n

<\/a>C\u00c2U 3:<\/h3>\n

C\u00f3 ba anh em \u0111\u1ebfn th\u0103m b\u00e0. B\u00e0 b\u1ea3o ba anh em x\u1ebfp th\u00e0nh m\u1ed9t h\u00e0ng d\u1ecdc, em b\u00e9 nh\u1ea5t tr\u00ean c\u00f9ng r\u1ed3i \u0111\u1ebfn anh th\u1ee9, c\u00f2n anh c\u1ea3 \u0111\u1ee9ng cu\u1ed1i h\u00e0ng v\u00e0 b\u00ed m\u1eadt \u0111\u1ed9i cho m\u1ed7i em m\u1ed9t c\u00e1i m\u0169 c\u00f3 m\u00e0u xanh, \u0111\u1ecf ho\u1eb7c l\u00e0 v\u00e0ng. M\u1ed7i ng\u01b0\u1eddi ch\u1ec9 nh\u00ecn th\u1ea5y m\u0169 c\u1ee7a nh\u1eefng ng\u01b0\u1eddi \u0111\u1ee9ng tr\u01b0\u1edbc m\u00ecnh ch\u1ee9 kh\u00f4ng bi\u1ebft \u0111\u01b0\u1ee3c m\u00e0u m\u0169 c\u1ee7a m\u00ecnh v\u00e0 c\u1ee7a nh\u1eefng ng\u01b0\u1eddi \u0111\u1ee9ng sau m\u00ecnh. M\u1ed7i ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ph\u00e9p n\u00f3i m\u1ed9t m\u00e0u (xanh, \u0111\u1ecf ho\u1eb7c v\u00e0ng). Ai n\u00f3i \u0111\u00fang \u0111\u01b0\u1ee3c m\u00e0u m\u0169 c\u1ee7a m\u00ecnh \u0111ang \u0111\u1ed9i s\u1ebd \u0111\u01b0\u1ee3c b\u00e0 s\u1ebd th\u01b0\u1edfng m\u1ed9t g\u00f3i k\u1eb9o.<\/p>\n

B\u1ea1n h\u00e3y m\u00e1ch cho ba anh em c\u00e1ch n\u00e0o \u0111o\u00e1n m\u00e0u m\u0169 c\u1ee7a m\u00ecnh \u0111\u1ec3 \u00edt nh\u1ea5t c\u00f3 hai ng\u01b0\u1eddi \u0111\u01b0\u1ee3c th\u01b0\u1edfng k\u1eb9o?<\/p>\n

<\/a>C\u00c2U 4:<\/h3>\n

T\u00ed s\u00fan h\u1ecdc gi\u1ecfi ch\u0103m ngoan<\/p>\n

M\u1eb9 cho 3 ng\u00e0n m\u1ed7i b\u1eefa s\u1edbm mai<\/p>\n

Ng\u00e0y n\u00e0o c\u0169ng th\u1ebf kh\u00f4ng sai<\/p>\n

Nh\u00e2m nhi qu\u00e0 s\u00e1ng bay 2 ng\u00e0n v\u00e8o<\/p>\n

C\u00f2n l\u1ea1i b\u1ecf \u1ed1ng nu\u00f4i heo<\/p>\n

Ti\u1ebft ki\u1ec7m gi\u00fap \u0111\u1ee1 b\u1ea1n ngh\u00e8o kh\u00f3 kh\u0103n<\/p>\n

\u0110\u1ed1 ai, ai c\u00f3 bi\u1ebft ch\u0103ng<\/p>\n

4 tu\u1ea7n ti\u1ebft ki\u1ec7m heo \u0103n m\u1ea5y \u0111\u1ed3ng<\/p>\n

H\u01af\u1edaNG D\u1eaaN – B\u00c0I GI\u1ea2I – \u0110\u00c1P S\u1ed0<\/h1>\n

<\/a>B\u00c0I S\u1ed0 13<\/h2>\n

<\/a>C\u00c2U 1:<\/h3>\n

H\u00ecnh C kh\u00e1c c\u00e1c h\u00ecnh c\u00f2n l\u1ea1i v\u00ec c\u00e1c h\u00ecnh kh\u00e1c v\u1ebd b\u1eb1ng m\u1ed9t n\u00e9t, ri\u00eang h\u00ecnh C v\u1ebd b\u1eb1ng 2 n\u00e9t.<\/p>\n

<\/a>C\u00c2U 2:<\/h3>\n

H\u00ecnh D kh\u00e1c c\u00e1c h\u00ecnh c\u00f2n l\u1ea1i v\u00ec h\u00ecnh D v\u1ebd b\u1eb1ng 2 n\u00e9t.<\/p>\n

<\/a>C\u00c2U 3:<\/h3>\n

N\u1ebfu ba anh em bi\u1ebft ng\u01b0\u1eddi n\u00e0o n\u00ean n\u00f3i tr\u01b0\u1edbc th\u00ec c\u1ea3 ba s\u1ebd nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c b\u00e0 th\u01b0\u1edfng k\u1eb9o. Ng\u01b0\u1eddi anh c\u1ea3 \u0111\u1ee9ng sau c\u00f9ng bi\u1ebft 2 em \u0111\u1ee9ng tr\u01b0\u1edbc m\u00ecnh \u0111\u1ed9i m\u0169 m\u00e0u g\u00ec n\u00ean bi\u1ebft ch\u1eafc ch\u1eafn m\u00e0u m\u0169 c\u1ee7a m\u00ecnh l\u00e0 m\u00e0u kh\u00e1c v\u1edbi m\u00e0u m\u0169 c\u1ee7a 2 em. B\u1edfi v\u1eady ng\u01b0\u1eddi anh c\u1ea3 s\u1ebd n\u00f3i tr\u01b0\u1edbc v\u00e0 n\u00f3i \u0111\u00fang m\u00e0u m\u0169 c\u1ee7a m\u00ecnh. Anh th\u1ee9 \u0111\u1ee9ng sau em \u00fat, nh\u00ecn th\u1ea5y m\u00e0u m\u0169 c\u1ee7a em \u00fat v\u00e0 \u0111\u00e3 bi\u1ebft m\u00e0u m\u0169 c\u1ee7a anh c\u1ea3 n\u00ean c\u0169ng n\u00f3i \u0111\u00fang m\u00e0u m\u0169 c\u1ee7a m\u00ecnh. C\u00f2n em \u00fat sau khi \u0111\u00e3 bi\u1ebft m\u00e0u m\u0169 c\u1ee7a c\u1ea3 2 anh th\u00ec c\u0169ng n\u00f3i \u0111\u00fang \u0111\u01b0\u1ee3c m\u00e0u m\u0169 c\u1ee7a m\u00ecnh. Nh\u01b0 th\u1ebf c\u1ea3 ba anh em \u0111\u1ec1u n\u00f3i \u0111\u01b0\u1ee3c \u0111\u00fang m\u00e0u m\u0169 c\u1ee7a m\u00ecnh v\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u01b0\u1edfng k\u1eb9o.<\/p>\n

<\/a>C\u00c2U 4:<\/h3>\n

B\u00e0i gi\u1ea3i<\/p>\n

M\u1ed7i ng\u00e0y t\u00ed ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c l\u00e0:<\/p>\n

3 – 2 = 1 (ng\u00e0n \u0111\u1ed3ng)<\/p>\n

S\u1ed1 ng\u00e0y 4 tu\u1ea7n c\u00f3 l\u00e0:<\/p>\n

7 x 4 = 28 (ng\u00e0y)<\/p>\n

Sau 4 tu\u1ea7n T\u00ed ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c l\u00e0: 1 x 28 = 28 (ng\u00e0n \u0111\u1ed3ng)<\/p>\n

\u0110\u00e1p s\u1ed1: 28 ng\u00e0n \u0111\u1ed3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

H\u00ecnh n\u00e0o kh\u00e1c c\u00e1c h\u00ecnh c\u00f2n l\u1ea1i: C\u00c2U 1: C\u00c2U 2: C\u00c2U 3: C\u00f3 ba anh em \u0111\u1ebfn th\u0103m b\u00e0. B\u00e0 b\u1ea3o ba anh em x\u1ebfp th\u00e0nh m\u1ed9t h\u00e0ng d\u1ecdc, em b\u00e9 nh\u1ea5t tr\u00ean c\u00f9ng r\u1ed3i \u0111\u1ebfn anh th\u1ee9, c\u00f2n anh c\u1ea3 \u0111\u1ee9ng cu\u1ed1i h\u00e0ng v\u00e0 b\u00ed m\u1eadt \u0111\u1ed9i cho m\u1ed7i em m\u1ed9t c\u00e1i m\u0169 […]<\/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":[47],"tags":[],"class_list":["post-25502","post","type-post","status-publish","format-standard","hentry","category-do-vui"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/25502","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=25502"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/25502\/revisions"}],"predecessor-version":[{"id":25505,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/25502\/revisions\/25505"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=25502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=25502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=25502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}