D\u00e0n \u0111\u1eb7c bi\u1ec7t 25 con<\/strong> c\u00f3 t\u1ef7 l\u1ec7 1\/4 trong 100 b\u1ed9 s\u1ed1 c\u1ea7u l\u00f4 \u0111\u1ec1. B\u00ean c\u1ea1nh \u0111\u00f3 th\u00ec xsmb c\u00f3 to\u00e0n b\u1ed9 l\u00e0 27 gi\u1ea3i do \u0111\u00f3 x\u00e1c su\u1ea5t tr\u00fang t\u1ed1i thi\u1ec3u l\u00e0 23% \u0103n l\u00f4, v\u00ec v\u1eady d\u00e0n 25 s\u1ed1 n\u1eb1m trong ph\u1ea1m vi t\u1ef7 l\u1ec7 th\u1eafng l\u00f4 \u0111\u1ec1 cao.<\/p>\n Nhi\u1ec1u nh\u1ea5t l\u00e0 35 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y g\u1ed3m c\u00f3 c\u00e1c con s\u1ed1 sau \u0111\u00e2y:<\/p>\n 00, 22, 44, 66, 88, 02, 20, 04, 40, 06, 60, 08, 80, 24, 42, 26, 62, 28, 82, 46, 64, 48, 84, 68, 86.<\/p>\n T\u1ed1i \u0111a l\u00e0 28 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y bao g\u1ed3m c\u00e1c con s\u1ed1 sau \u0111\u00e2y:<\/p>\n 11, 33, 55, 77, 99, 13, 31, 15, 51, 17, 71, 19, 91, 35, 53, 37, 73, 39, 93, 57, 75, 59, 95, 79, 97<\/p>\n Nhi\u1ec1u nh\u1ea5t l\u00e0 31 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y bao g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 sau \u0111\u00e2y:<\/p>\n 01, 03, 05, 07, 09, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89<\/p>\n T\u1ed1i \u0111a l\u00e0 30 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y bao g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 nh\u01b0 sau:<\/p>\n 10, 12, 14, 16, 18, 30, 32, 34, 36, 38, 50, 52, 54, 56, 58, 70, 72, 74, 76, 78, 90, 92, 94, 96, 98.<\/p>\n Tham kh\u1ea3o b\u1ed9 c\u1ea7u l\u00f4 \u0111\u1ec1 xsmb h\u00e0ng ng\u00e0y m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t t\u1ea1i: soi c\u1ea7u xsmb.<\/p>\n T\u1ed1i \u0111a l\u00e0 22 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y nh\u01b0 d\u00e0n sau \u0111\u00e2y:<\/p>\n 55, 66, 77, 88, 99, 56, 65, 57, 75, 58, 85, 59, 95, 67, 76, 68, 86, 69, 96, 78, 87, 79, 97, 89, 98<\/p>\n T\u1ed1i \u0111a l\u00e0 31 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y bao g\u1ed3m nh\u1eefng con s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n 05, 06, 07, 08, 09, 15, 16, 17, 18, 19, 25, 26, 27, 28, 29, 35, 36, 37, 38, 39, 45, 46, 47, 48, 49<\/p>\n T\u1ed1i \u0111a l\u00e0 23 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y bao g\u1ed3m c\u00e1c s\u1ed1 sau:<\/p>\n 00, 11, 22, 33, 44, 01, 10, 02, 20, 03, 30, 04, 40, 12, 21, 13, 31, 14, 41, 23, 32, 24, 42, 34, 43<\/p>\n T\u1ed1i \u0111a l\u00e0 33 ng\u00e0y, t\u1ea7n su\u1ea5t 8 \u0111\u1ebfn 12 ng\u00e0y g\u1ed3m c\u00f3 c\u00e1c s\u1ed1 sau:<\/p>\n 90, 91, 92, 93, 94, 80, 81, 82, 83, 84, 70, 71, 72, 73, 74, 60, 61, 62, 63, 64, 50, 51, 52, 53, 54<\/p>\n B\u1ed9 d\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb g\u1ed3m c\u00f3 c\u00e1c con s\u1ed1 sau \u0111\u00e2y:<\/p>\n 01, 10, 29, 92, 38, 83, 47, 74, 56, 65, 03, 30, 12, 21, 49, 94, 58, 85, 67, 76, 05, 50, 14, 41, 23, 32, 69, 96, 78, 87, 07, 70, 16, 61, 25, 52, 34, 43, 89, 98, 09, 90, 18, 81, 27, 72, 36, 63, 45, 54.<\/p>\n V\u1eeba r\u1ed3i ch\u00fang t\u00f4i \u0111\u00e3 t\u1ed5ng h\u1ee3p nh\u1eefng d\u00e0n \u0111\u1ec1 \u0111\u00e1nh h\u00e0ng ng\u00e0y 25 con ho\u1eb7c c\u00f3 th\u1ec3 nu\u00f4i d\u00e0n \u0111\u1ec1 25 s\u1ed1 khung 3 ng\u00e0y ng\u1eabu nhi\u00ean m\u1ed9t c\u00e1ch chu\u1ea9n nh\u1ea5t trong b\u00ed k\u00edp l\u00f4 \u0111\u1ec1 c\u1ee7a c\u00e1c cao th\u1ee7, anh ch\u1ecb em c\u00f3 th\u1ec3 v\u1eadn d\u1ee5ng b\u1eb1ng c\u00e1ch ch\u1ecdn ra l\u1ea7n l\u01b0\u01a1t 3 \u0111\u1ebfn 5 s\u1ed1 \u0111\u00e1nh theo ng\u00e0y c\u00f9ng m\u1ed9t chu k\u1ef3, hay d\u1ef1a v\u00e0o m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n c\u1ea7u n\u00e0o trong d\u00e0n \u0111\u1ec1 c\u00f3 x\u00e1c su\u1ea5t v\u1ec1 t\u1ed1t nh\u1ea5t.<\/p>\n L\u01b0u \u00fd:<\/strong> D\u00e0n \u0111\u1ec1 25 s\u1ed1 ch\u00fang t\u00f4i cung c\u1ea5p v\u1edbi m\u1ee5c \u0111\u00edch tham kh\u1ea3o, anh ch\u1ecb em kh\u00f4ng n\u00ean ghi to\u00e0n b\u1ed9 s\u1ed1 c\u00f3 trong d\u00e0n nh\u00e9!<\/p>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n
D\u00e0n \u0111\u1ec1 mb 25 s\u1ed1 ch\u1eb5n ch\u1eb5n<\/h2>\n
D\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i 25 con l\u1ebb l\u1ebb<\/h2>\n
D\u00e0n \u0111\u1ec1 ch\u01a1i trong ng\u00e0y 25 s\u1ed1 ch\u1eb5n l\u1ebb<\/h2>\n
D\u00e0n \u0111\u1ec1 25 s\u1ed1 l\u1ebb ch\u1eb5n hay ra<\/h2>\n
D\u00e0n \u0111\u1ec1 to to 25 s\u1ed1<\/h2>\n
D\u00e0n \u0111\u1ec1 to b\u00e9 25 s\u1ed1<\/h2>\n
D\u00e0n \u0111\u1ec1 nh\u1ecf nh\u1ecf 25 s\u1ed1 ch\u00ednh x\u00e1c<\/h2>\n
D\u00e0n \u0111\u1ec1 25 s\u1ed1 to nh\u1ecf<\/h2>\n
D\u00e0n \u0111\u1ec3 t\u1ed5ng l\u1ebb<\/h2>\n
D\u00e0n \u0111\u1ec1 k\u00e9p, s\u00e1t k\u00e9p, k\u00e9p l\u1ec7ch<\/h2>\n
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soi c\u1ea7u cao c\u1ea5p mi\u1ec1n b\u1eafc<\/span><\/h3>\n