{"id":17456,"date":"2024-04-18T11:31:50","date_gmt":"2024-04-18T11:31:50","guid":{"rendered":"http:\/\/soicau5058.minhngocxoso.com\/lo-de-la-gi-kien-thuc-cho-anh-em-moi-bat-dau-choi-soi-cau\/"},"modified":"2024-04-18T11:31:50","modified_gmt":"2024-04-18T11:31:50","slug":"lo-de-la-gi-kien-thuc-cho-anh-em-moi-bat-dau-choi-soi-cau","status":"publish","type":"post","link":"https:\/\/dudoanlobachthu.com\/lo-de-la-gi-kien-thuc-cho-anh-em-moi-bat-dau-choi-soi-cau\/","title":{"rendered":"l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec? \u2013 ki\u1ebfn th\u1ee9c cho anh em m\u1edbi b\u1eaft \u0111\u1ea7u ch\u01a1i soi c\u1ea7u"},"content":{"rendered":"

L\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec? \u2013 Ki\u1ebfn th\u1ee9c cho anh em m\u1edbi b\u1eaft \u0111\u1ea7u ch\u01a1i soi c\u1ea7u<\/span><\/p>\n

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Nhi\u1ec1u anh em m\u1edbi b\u1eaft \u0111\u1ea7u b\u01b0\u1edbc ch\u00e2n v\u00e0o ch\u1ed1n l\u00f4 \u0111\u1ec1 h\u1eb3n c\u00f2n kh\u00e1c b\u1ea5t ng\u1edd v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m th\u1ebf n\u00e0o l\u00e0 l\u00f4, th\u1ebf n\u00e0o l\u00e0 \u0111\u1ec1? V\u1eady l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec?<\/strong> L\u00f4 \u0111\u1ec1 mi\u1ec1n b\u1eafc kh\u00e1c g\u00ec v\u1edbi mi\u1ec1n nam? B\u00e0i vi\u1ebft n\u00e0y t\u00f4i xin \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc c\u1ee7a c\u00e1c b\u1ea1n. <\/span><\/p>\n

L\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec v\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c soi c\u1ea7u c\u1ea7n n\u1eafm<\/strong><\/h2>\n

Tr\u01b0\u1edbc ti\u00ean, ta c\u00f3 k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m nay:<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c bi\u1ec7t<\/strong><\/span><\/td>\n58421<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i nh\u1ea5t<\/strong><\/span><\/td>\n73983<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i nh\u00ec<\/strong><\/span><\/td>\n39952 \u2013 12684<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i ba<\/strong><\/span><\/td>\n02993 \u2013 78013 \u2013 67819 \u2013 55165 \u2013 65703 \u2013 67819<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i t\u01b0<\/strong><\/span><\/td>\n3057 \u2013 3015 \u2013 5543 \u2013 7574<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i n\u0103m<\/strong><\/span><\/td>\n3989 \u2013 5849 \u2013 0326 \u2013 5028 \u2013 5522 \u2013 2690<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i s\u00e1u<\/strong><\/span><\/td>\n515 \u2013 810 \u2013 731<\/strong><\/span><\/td>\n<\/tr>\n
Gi\u1ea3i b\u1ea3y<\/strong><\/span><\/td>\n51 \u2013 92 \u2013 70 \u2013 90<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1. Th\u1ebf n\u00e0o l\u00e0 \u0111\u1ec1? C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n

\u0110\u00e1nh \u0111\u1ec1 b\u1eb1ng c\u00e1c c\u1eb7p g\u1ed1m hai con s\u1ed1, ch\u1ea1y d\u00e0i t\u1eeb s\u1ed1 00 \u0111\u1ebfn s\u1ed1 99. C\u1eb7p s\u1ed1 tr\u00f9ng v\u1edbi 2 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong> s\u1ebd l\u00e0 c\u1eb7p s\u1ed1 tr\u00fang \u0111\u1ec1.<\/span><\/p>\n

Gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed7i l\u1ea7n ghi \u0111\u1ec1 \u0111\u01b0\u1ee3c quy \u0111inh t\u1ed1i thi\u1ec3u l\u00e0 1.000 VN\u0110 v\u00e0 t\u1ed1i \u0111a, gi\u00e1 tr\u1ecb cao nh\u1ea5t l\u00e0 100.000 \u0111\u1ed3ng.<\/span>
\nN\u1ebfu b\u1ea1n tr\u00fang \u0111\u1ec1 th\u00ec gi\u00e1 tr\u1ecb gi\u1ea3i th\u01b0\u1edfng b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c s\u1ebd l\u00e0 s\u1ed1 ti\u1ec1n v\u1ed1n b\u1ea1n b\u1ecf ra \u0111\u1ec3 ghi \u0111\u1ec1 nh\u00e2n cho 70 l\u1ea7n. Kh\u00e1 l\u00e0 h\u1ea5p d\u1eabn ph\u1ea3i kh\u00f4ng \u1ea1!<\/span><\/p>\n

V\u00ed d\u1ee5: <\/strong>T\u00f4i \u0111o\u00e1n h\u00f4m nay \u0111\u1ec1 v\u1ec1 con 21 v\u00e0 \u0111\u00e1nh 10 ng\u00e0n. Theo k\u1ebft qu\u1ea3 x\u1ed1 s\u1ed1 h\u00f4m nay th\u00ec gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 con: 58421<\/strong>. V\u1eady l\u00e0 t\u00f4i tr\u00fang \u0111\u1ec1. V\u00ec t\u1ec9 l\u1ec7 tr\u00fang c\u1ee7a \u0111\u1ec1 l\u00e0 1 \u0103n 70 n\u00ean t\u00f4i tr\u00fang 10 x 70=700 ng\u00e0n. Nhi\u1ec1u n\u01a1i khuy\u1ebfn m\u00e3i \u0111\u00e1nh 10 ng\u00e0n th\u00e0nh 11 ng\u00e0n n\u00ean tr\u00fang 770 ng\u00e0n. C\u0169ng c\u00f3 n\u01a1i cho ch\u01a1i t\u1ef7 l\u1ec7 1 \u0103n 80.<\/span><\/p>\n

N\u1ebfu gi\u1ea3i \u0111\u1eb7c bi\u1ec7t 2 s\u1ed1 cu\u1ed1i kh\u00f4ng ph\u1ea3i l\u00e0 21 th\u00ec t\u00f4i m\u1ea5t s\u1ed1 ti\u1ec1n \u0111\u00e3 ch\u01a1i.<\/span><\/p>\n

2. \u0110\u00e1nh \u0111\u1ec1 3 ch\u00e2n l\u00e0 g\u00ec?<\/strong><\/h3>\n

C\u00f3 \u00f4ng h\u1ecfi t\u00f4i l\u00e0 \u0111\u00e1nh \u0111\u1ec1 3 ch\u00e2n l\u00e0 g\u00ec? N\u00f3 kh\u00e1c g\u00ec v\u1edbi \u0111\u00e1nh \u0111\u1ec1 th\u01b0\u1eddng? T\u00f4i tr\u1ea3 l\u1eddi: \u201c\u0110\u1ec1 3 ch\u00e2n ch\u01a1i c\u0169ng gi\u1ed1ng \u0111\u1ec1 th\u01b0\u1eddng. Ch\u1ec9 kh\u00e1c \u1edf ch\u1ed7 \u00f4ng tr\u00fang 3 s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.\u201d<\/strong><\/em><\/span><\/p>\n

V\u00ed d\u1ee5: <\/strong>H\u00f4m nay t\u00f4i \u0111\u00e1nh \u0111\u1ec1 3 ch\u00e2n con 421 m\u1ed9t ng\u00e0n. V\u00ec gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 58421<\/strong> n\u00ean t\u00f4i s\u1ebd tr\u00fang 400 ng\u00e0n (t\u1ef7 l\u1ec7 1 \u0103n 400). Gi\u1ea3 s\u1eed t\u00f4i \u0111\u00e1nh con 581 th\u00ec k\u1ebft qu\u1ea3 v\u1ea9n c\u00f3 s\u1ed1 21 \u1edf \u0111u\u00f4i n\u00ean t\u00f4i tr\u00fang 10 ng\u00e0n (khuy\u1ebfn m\u00e3i 1 \u0103n 10).<\/span><\/p>\n

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3. Th\u1ebf n\u00e0o l\u00e0 l\u00f4? C\u00e1ch \u0111\u00e1nh l\u00f4 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n

\u0110\u00e1nh l\u00f4 c\u0169ng \u0111\u01b0\u1ee3c ghi b\u1eb1ng hai s\u1ed1 ch\u1ea1y t\u1eeb 00 \u0111\u1ebfn 99. S\u1ed1 tr\u00fang th\u01b0\u1edfng l\u00e0 s\u1ed1 tr\u00f9ng v\u1edbi 2 s\u1ed1 cu\u1ed1i c\u1ee7a b\u1ea5t k\u1ef3 gi\u1ea3i n\u00e0o trong ng\u00e0y h\u00f4m \u0111\u00f3.<\/span><\/p>\n

C\u00e1ch t\u00ednh ti\u1ec1n c\u1ee7a l\u00f4 h\u01a1i kh\u00e1c \u0111\u1ec1 m\u1ed9t ch\u00fat. \u0110\u00f3 l\u00e0 t\u00ednh theo \u0111i\u1ec3m, 1 \u0111i\u1ec3m t\u01b0\u01a1ng \u1ee9ng v\u1edbi 23.000 \u0111\u1ed3ng. Ng\u01b0\u1eddi ch\u01a1i l\u00f4 khi tham gia th\u00ec t\u1ed1i thi\u1ec3u l\u00e0 m\u1ed9t \u0111i\u1ec3m v\u00e0 t\u1ed1i \u0111a l\u00e0 100 \u0111i\u1ec3m.<\/span><\/p>\n

Khi tr\u00fang th\u00ec m\u1ed7i \u0111i\u1ec3m b\u1ea1n \u0111\u1eb7t \u0111\u01b0\u1ee3c \u0103n 80.000 VN\u0110. V\u00e0 \u0111\u01b0\u1ee3c nh\u00e2n l\u00ean t\u00f9y theo s\u1ed1 \u201cnh\u00e1y\u201d<\/strong> t\u1ee9c l\u00e0 s\u1ed1 l\u1ea7n hi\u1ec7n con s\u1ed1 b\u1ea1n \u0111\u1eb7t.<\/span><\/p>\n

\u0110\u00e1nh l\u00f4 d\u1ec5 h\u01a1n \u0111\u00e1nh \u0111\u1ec1 v\u00ec m\u1ed7i ng\u00e0y ta c\u00f3 t\u1ea5t c\u1ea3 l\u00e0 8 gi\u1ea3i (k\u1ec3 c\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t) v\u00e0 27 d\u00e3y s\u1ed1, trong khi \u0111\u1ec1 ch\u1ec9 c\u00f3 1 gi\u1ea3i.<\/span><\/p>\n

\u0110\u00e1nh l\u00f4 l\u00e0 b\u1ea1n d\u1ef1 \u0111o\u00e1n k\u1ebft qu\u1ea3 c\u1ee7a 2 con s\u1ed1 cu\u1ed1i c\u00f9ng trong b\u1ea5t k\u1ef3 k\u1ebft qu\u1ea3 n\u00e0o trong 27 d\u00e3y s\u1ed1 tr\u00ean.<\/span><\/p>\n

V\u00ed d\u1ee5:<\/strong> T\u00f4i \u0111\u00e1nh con l\u00f4 28 : 1 \u0111i\u1ec3m = 23 ng\u00e0n. M\u00e0 k\u1ebft k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u00f3 s\u1ed1 5028<\/strong> n\u00ean t\u00f4i s\u1ebd tr\u00fang \u0111\u01b0\u1ee3c 80 ng\u00e0n (m\u1ed7i \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 23 ng\u00e0n ti\u1ec1n \u0111\u00e1nh, \u0103n 80 ng\u00e0n).<\/span><\/p>\n

Gi\u1ea3 s\u1eed t\u00f4i \u0111\u00e1nh con 90 : 1 \u0111i\u1ec3m. V\u00ec h\u00f4m nay ra hai con 2690<\/strong> v\u00e0 90<\/strong> n\u00ean t\u00f4i s\u1ebd \u0103n 80 x 2 = 160 ng\u00e0n (b\u1eafn l\u00f4 2 ph\u00e1t). T\u01b0\u01a1ng t\u1ef1, c\u00f3 3 d\u00e3y s\u1ed1 c\u00f3 s\u1ed1 cu\u1ed1i 90 th\u00ec t\u00f4i tr\u00fang 240 ng\u00e0n.<\/span><\/p>\n

N\u1ebfu kh\u00f4ng tr\u00fang th\u00ec t\u00f4i s\u1ebd m\u1ea5t ti\u1ec1n.<\/span><\/p>\n

4. \u0110\u00e1nh l\u00f4 xi\u00ean \u2013 ch\u01a1i s\u1ed1 \u0111\u00e1 l\u00e0 g\u00ec?<\/strong><\/h3>\n

\u0110\u00e1nh l\u00f4 xi\u00ean (mi\u1ec1n nam g\u1ecdi l\u00e0 S\u1ed1 \u0110\u00e1) l\u00e0 ch\u01a1i nhi\u1ec1u con c\u00f9ng l\u00fac.<\/span><\/p>\n

Xi\u00ean 2:<\/strong> T\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e1nh 2 con. K\u1ebft qu\u1ea3 tr\u00fang gi\u1ea3i khi c\u1ea3 2 con \u0111\u1ec1u ra, s\u1ed1 ti\u1ec1n b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00fac n\u00e0y t\u01b0\u01a1ng \u1ee9ng l\u00e0 s\u1ed1 v\u1ed1n b\u1ea1n b\u1ecf ra x 10.<\/span><\/p>\n

Xi\u00ean 3:<\/strong> T\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e1nh 3 con. K\u1ebft qu\u1ea3 tr\u00fang gi\u1ea3i khi c\u1ea3 3 con \u0111\u1ec1u ra, s\u1ed1 ti\u1ec1n b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00fac n\u00e0y t\u01b0\u01a1ng \u1ee9ng l\u00e0 s\u1ed1 v\u1ed1n b\u1ea1n b\u1ecf ra x 40.<\/span><\/p>\n

Xi\u00ean 4:<\/strong> T\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e1nh 4 con. K\u1ebft qu\u1ea3 tr\u00fang gi\u1ea3i khi c\u1ea3 4 con \u0111\u1ec1u ra, s\u1ed1 ti\u1ec1n b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00fac n\u00e0y t\u01b0\u01a1ng \u1ee9ng l\u00e0 s\u1ed1 v\u1ed1n b\u1ea1n b\u1ecf ra x 100.<\/span><\/p>\n

Xi\u00ean 5:<\/strong> T\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e1nh 5 con. K\u1ebft qu\u1ea3 tr\u00fang gi\u1ea3i khi c\u1ea3 5 con \u0111\u1ec1u ra, s\u1ed1 ti\u1ec1n b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00fac n\u00e0y t\u01b0\u01a1ng \u1ee9ng l\u00e0 s\u1ed1 v\u1ed1n b\u1ea1n b\u1ecf ra x 120.<\/span><\/p>\n

V\u00ed d\u1ee5 \u0111\u00e1nh l\u00f4 xi\u00ean 2:<\/strong> T\u00f4i \u0111\u00e1nh hai con 28 v\u00e0 90 c\u00f9ng l\u00fac 10 ng\u00e0n. V\u00ec k\u1ebft qu\u1ea3 c\u00f3 hai con s\u1ed1 5028<\/strong> v\u00e0 90 <\/strong>n\u00ean t\u00f4i tr\u00fang 10 x 10=100 ng\u00e0n (t\u1ec9 l\u1ec7 1 \u0103n 10 k\u1ec3 c\u1ea3 28, 90 b\u1eafn nhi\u1ec1u ph\u00e1t).<\/span><\/p>\n

V\u00ed d\u1ee5 l\u00f4 xi\u00ean 3:<\/strong> T\u00f4i \u0111\u00e1nh ba con 28, 90, 15 : 10 ng\u00e0n. K\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 l\u00e0 5028, 90 <\/strong>v\u00e0 515<\/strong> n\u00ean t\u00f4i s\u1ebd tr\u00fang 10 x 40=400 ng\u00e0n (t\u1ef7 l\u1ec7 1 \u0103n 40).<\/span><\/p>\n

N\u1ebfu kh\u00f4ng v\u1ec1 c\u1ea3 ba con th\u00ec t\u00f4i s\u1ebd m\u1ea5t ti\u1ec1n.<\/span><\/p>\n

Tuy nhi\u00ean theo kinh nghi\u1ec7m c\u1ee7a Ad th\u00ec h\u1ea7u nh\u01b0 ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 tham gia \u1edf h\u00ecnh th\u1ee9c xi\u00ean 2 ho\u1eb7c xi\u00ean 3<\/strong>, r\u1ea5t \u00edt ng\u01b0\u1eddi ch\u01a1i xi\u00ean 4 v\u00e0 h\u1ea7u nh\u01b0 Ad ch\u01b0a th\u1ea5y ai ch\u01a1i xi\u00ean 5 b\u1edfi xi\u00ean 5 c\u00f3 x\u00e1c su\u1ea5t ra r\u1ea5t l\u00e0 kh\u00f3, \u00edt ai m\u1ea1o hi\u1ec3m nh\u01b0 v\u1eady.<\/span><\/p>\n

V\u1eady l\u00e0 qua b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n \u0111\u00e3 hi\u1ec3u l\u00f4 \u0111\u1ec1 l\u00e0 gi <\/em>hay soi c\u1ea7u nh\u01b0 th\u1ebf n\u00e0o r\u1ed3i ch\u1ee9 ? N\u1ebfu b\u1ea1n mu\u1ed1n th\u1ef1c h\u00e0nh ch\u01a1i l\u00f4 \u0111\u1ec1 Online, h\u00e3y \u0111\u0103ng k\u00fd t\u1ea1i \u0111\u00e2y \u0111\u1ec3 \u0111\u01b0\u1ee3c th\u1ecfa s\u1ee9c \u0111am m\u00ea nh\u00e9.<\/span><\/p>\n<\/div>\n