{"id":25517,"date":"2021-12-24T17:08:25","date_gmt":"2021-12-24T10:08:25","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=25517"},"modified":"2021-12-24T17:08:27","modified_gmt":"2021-12-24T10:08:27","slug":"bai-so-16-do-vui-luyen-tri-thong-minh","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/bai-so-16-do-vui-luyen-tri-thong-minh\/","title":{"rendered":"B\u00c0I S\u1ed0 16 – \u0110\u1ed1 vui luy\u1ec7n tr\u00ed th\u00f4ng minh"},"content":{"rendered":"

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

H\u00ecnh n\u00e0o \u0111\u01b0a v\u00e0o \u00f4 c\u00f2n tr\u1ed1ng cho h\u1ee3p l\u00ed?<\/p>\n

\"31.jpg\"<\/p>\n

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

S\u1ed1 n\u00e0o \u0111\u00e2y?<\/p>\n

\"32_1.jpg\"<\/p>\n

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

M\u1ed9t h\u00ecnh vu\u00f4ng c\u00f3 b\u1ed1n g\u00f3c c\u1eaft \u0111i m\u1ed9t g\u00f3c h\u1ecfi c\u00f2n m\u1ea5y g\u00f3c?<\/p>\n

\"32_2.jpg\"<\/p>\n

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

M\u1ed9t con v\u1ecbt tr\u1eddi \u0111ang bay b\u1ed7ng g\u1eb7p m\u1ed9t \u0111\u00e0n v\u1ecbt tr\u1eddi bay theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i, b\u00e8n c\u1ea5t ti\u1ebfng ch\u00e0o: \u201cCh\u00e0o 100 b\u1ea1n \u1ea1!\u201d. Con v\u1ecbt tr\u1eddi \u0111\u1ea7u \u0111\u00e0n \u0111\u00e1p l\u1ea1i: \u201cCh\u00e0o b\u1ea1n, nh\u01b0ng b\u1ea1n nh\u1ea7m r\u1ed3i, ch\u00fang t\u00f4i kh\u00f4ng ph\u1ea3i c\u00f3 m\u1ed9t tr\u0103m \u0111\u00e2u, m\u00e0 t\u1ea5t c\u1ea3 ch\u00fang t\u00f4i, c\u1ed9ng th\u00eam t\u1ea5t c\u1ea3 ch\u00fang t\u00f4i m\u1ed9t l\u1ea7n n\u1eefa, c\u1ed9ng th\u00eam m\u1ed9t n\u1eeda ch\u00fang t\u00f4i, r\u1ed3i th\u00eam m\u1ed9t ph\u1ea7n t\u01b0 ch\u00fang t\u00f4i v\u00e0 c\u1ea3 b\u1ea1n n\u1eefa m\u1edbi \u0111\u1ee7 m\u1ed9t tr\u0103m!\u201d.<\/p>\n

Em h\u00e3y T\u00ednh xem \u0111\u00e0n v\u1ecbt tr\u1eddi c\u00f3 bao nhi\u00eau con?<\/p>\n

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

<\/a>B\u00c0I S\u1ed0 16<\/h2>\n

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

H\u00ecnh a) \u0111\u01b0a v\u00e0o \u00f4 c\u00f2n tr\u1ed1ng l\u00e0 h\u1ee3p l\u00ed.<\/p>\n

\"130_1.jpg\"<\/p>\n

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

S\u1ed1 7 ch\u1ed7 tr\u1ed1ng \u0111\u01b0a v\u00e0o l\u00e0 h\u1ee3p l\u00fd.<\/p>\n

Ta nh\u1eadn th\u1ea5y:
\n5 x 7 = 35
\n12 x 7 = 84
\n9 x 7 = 63<\/p>\n

\"130_2.jpg\"<\/p>\n

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

\u0110\u00e1p \u00e1n:
\nC\u00f2n 5 g\u00f3c<\/p>\n

\"131_1.jpg\"<\/p>\n

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

\u0110\u00e0n v\u1ecbt | \"131_2.jpg\"
\n\u0110\u00e0n v\u1ecbt
\n\u00bd \u0111\u00e0n v\u1ecbt
\n\u00bc \u0111\u00e0n v\u1ecbt<\/p>\n

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

N\u1ebfu coi 1\/4 \u0111\u00e0n v\u1ecbt l\u00e0 1 ph\u1ea7n th\u00ec 100 \u2013 1 = 99 (con)<\/p>\n

S\u1ebd g\u1ed3m c\u00f3: 4 + 4 + 2 + 1 = 11 (ph\u1ea7n)<\/p>\n

M\u1ed7i ph\u1ea7n g\u1ed3m c\u00f3:<\/p>\n

99 : 11 = 9 (con)<\/p>\n

C\u1ea3 \u0111\u00e0n v\u1ecbt c\u00f3:<\/p>\n

9 x 4 = 36 (con)<\/p>\n

\u0110\u00e1p s\u1ed1: 36 con v\u1ecbt.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00c2U 1: H\u00ecnh n\u00e0o \u0111\u01b0a v\u00e0o \u00f4 c\u00f2n tr\u1ed1ng cho h\u1ee3p l\u00ed? C\u00c2U 2: S\u1ed1 n\u00e0o \u0111\u00e2y? C\u00c2U 3: M\u1ed9t h\u00ecnh vu\u00f4ng c\u00f3 b\u1ed1n g\u00f3c c\u1eaft \u0111i m\u1ed9t g\u00f3c h\u1ecfi c\u00f2n m\u1ea5y g\u00f3c? C\u00c2U 4: M\u1ed9t con v\u1ecbt tr\u1eddi \u0111ang bay b\u1ed7ng g\u1eb7p m\u1ed9t \u0111\u00e0n v\u1ecbt tr\u1eddi bay theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i, b\u00e8n c\u1ea5t ti\u1ebfng […]<\/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-25517","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\/25517","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=25517"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/25517\/revisions"}],"predecessor-version":[{"id":25525,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/25517\/revisions\/25525"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=25517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=25517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=25517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}