Trong l\u0129nh v\u1ef1c ch\u01a1i x\u1ed5 s\u1ed1 c\u00f3 nhi\u1ec1u c\u00e1ch g\u1ecdi cho c\u00e1c b\u1ed9 s\u1ed1. Theo kinh nghi\u1ec7m c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ch\u01a1i l\u00e2u n\u0103m s\u1ebd chia s\u1ebb cho c\u00e1c b\u1ea1n c\u00e1ch nh\u1eadn bi\u1ebft c\u00e1c<\/strong><\/em> b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1<\/em><\/strong>.<\/em> Vi\u1ec7c bi\u1ebft v\u00e0 nh\u1edb c\u00e1c b\u1ed9 s\u1ed1 s\u1ebd gi\u00fap cho vi\u1ec7c ch\u01a1i l\u00f4 \u0111\u1ec1 tr\u1edf n\u00ean d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n bao gi\u1edd h\u1ebft<\/em>. H\u00f4m nay ch\u00fang t\u00f4i xin gi\u1edbi thi\u1ec7u v\u1edbi c\u00e1c b\u1ea1n c\u00e1ch nh\u1eadn bi\u1ebft c\u00e1c b\u1ed9 s\u1ed1 c\u01a1 b\u1ea3n trong l\u00f4 \u0111\u1ec1.<\/em><\/p>\n \u0110\u00f3 l\u00e0 c\u00e1c b\u1ed9 s\u1ed1 c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 v\u1edbi nhau v\u00e0 ph\u1ea3i c\u00f3 2 s\u1ed1 lu\u00f4n \u0111i k\u00e8m v\u1edbi nhau, t\u1eeb \u0111\u00f3 b\u1ea1n s\u1ebd r\u00fat ra \u0111\u01b0\u1ee3c danh s\u00e1ch l\u00f4 \u0111\u1ec1 d\u00e0n \u0111\u00e1nh trong th\u00e1ng hay trong n\u0103m cho ri\u00eang m\u00ecnh \u0111\u1ec3 \u0111\u1ea7u t\u01b0 \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o l\u00f4 \u0111\u1ec1. D\u01b0\u1edbi \u0111\u00e2y m\u00ecnh s\u1ebd li\u1ec7t k\u00ea c\u00e1c b\u1ed9 s\u1ed1 \u0111\u00f3 ra cho b\u1ea1n. C\u00e1c b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1 n\u00e0y \u0111\u1ec1u s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c cho c\u1ea3 l\u00f4 \u0111\u1ec1 tay v\u00e0 l\u00f4 \u0111\u1ec1 online.<\/p>\n C\u00e1c b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1<\/p>\n<\/div>\n C\u00e1c c\u1eb7p s\u1ed1 t\u1ed5ng<\/em><\/strong><\/p>\n S\u1edf d\u0129 g\u1ecdi l\u00e0 c\u1eb7p s\u1ed1 t\u1ed5ng v\u00ec khi b\u1ea1n c\u1ed9ng t\u1ed5ng hai con s\u1ed1 l\u1ea1i v\u00e0 cho ra k\u1ebft qu\u1ea3. C\u00f3 quy t\u1eafc t\u00ednh ra s\u1ed1 t\u1ed5ng nh\u01b0 \u0111\u1ed1i v\u1edbi b\u00e0i c\u00e0o. V\u00ed d\u1ee5 nh\u01b0: con s\u1ed1 28 c\u00f3 t\u1ed5ng c\u1ee7a 2 v\u00e0 8 l\u00e0 10 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 0 v\u00e0 c\u00f3 t\u1ed5ng s\u1ebd l\u00e0 con s\u1ed1 0. T\u01b0\u01a1ng t\u1ef1 \u0111\u1ed1i v\u1edbi t\u1ed5ng 1, 2 3\u2026B\u00ean d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u1eb7p s\u1ed1 \u0111\u1ea7y \u0111\u1ee7:<\/p>\n C\u00e1c c\u1eb7p s\u1ed1 c\u00f3 t\u1ed5ng l\u00e0 0 nh\u01b0: 00,55,19,91,28,82,37,73,46,64.<\/p>\n C\u00e1c c\u1eb7p s\u1ed1 c\u00f3 t\u1ed5ng l\u00e0 1 nh\u01b0: 01,10,29,92,38,83,47,74,56,65.<\/p>\n C\u00e1c c\u1eb7p s\u1ed1 c\u00f3 t\u1ed5ng l\u00e0 2 nh\u01b0: 02,20,39,93,48,84,57,75,11,66.<\/p>\n C\u00e1c c\u1eb7p s\u1ed1 c\u00f3 t\u1ed5ng \u0111\u1ebfn 9 c\u0169ng t\u00ednh t\u01b0\u01a1ng t\u1ef1.<\/p>\n C\u00e1c c\u1eb7p c\u00f3 t\u1ed5ng t\u1eeb 0 \u0111\u1ebfn 9<\/em><\/p>\n C\u00e1c c\u1eb7p s\u1ed1 \u0110\u1ea7u:<\/em><\/strong><\/p>\n \u0110\u01a1n gi\u1ea3n nh\u01b0 c\u00e1ch g\u1ecdi th\u00ec c\u00e1c c\u1eb7p s\u1ed1 n\u00e0y nh\u00ecn v\u00e0o con s\u1ed1 \u0111\u1ea7u ti\u00ean l\u00e0 bi\u1ebft \u0111\u01b0\u1ee3c. V\u00ed d\u1ee5 nh\u01b0: C\u00e1c c\u1eb7p c\u00f3 \u0111\u1ea7u s\u1ed1 1 th\u00ec s\u1ebd l\u00e0 c\u00e1c con s\u1ed1 b\u1eaft \u0111\u1ea7u b\u1eb1ng 1. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c c\u1eb7p s\u1ed1 kh\u00e1c.<\/p>\n C\u1eb7p s\u1ed1 \u0111\u1ea7u 0 l\u00e0: t\u1eeb 00 \u0111\u1ebfn 09.<\/p>\n C\u1eb7p s\u1ed1 \u0111\u1ea7u 1 l\u00e0: t\u1eeb 10 \u0111\u1ebfn 19.<\/p>\n C\u1eb7p s\u1ed1 \u0111\u1ea7u 2 l\u00e0: t\u1eeb 20 \u0111\u1ebfn 29.<\/p>\n C\u1eb7p s\u1ed1 \u0111\u1ea7u 3 l\u00e0: t\u1eeb 30 \u0111\u1ebfn 39.<\/p>\n C\u00e1c c\u1eb7p c\u00f3 \u0111\u1ea7u \u0111\u1ebfn 9 c\u0169ng t\u00ednh t\u01b0\u01a1ng t\u1ef1.<\/p>\n C\u00e1c b\u1ed9 s\u1ed1 \u0110u\u00f4i:<\/em><\/strong><\/p>\n T\u00ean g\u1ecdi c\u0169ng gi\u1ed1ng nh\u01b0 c\u00e1c c\u1eb7p s\u1ed1 l\u00f4 \u0111\u1ec1 \u0111\u1ea7u nh\u01b0ng l\u1ea7n n\u00e0y l\u00e0 c\u00e1c con s\u1ed1 \u0111u\u00f4i. V\u00ed d\u1ee5 c\u00e1c b\u1ed9 s\u1ed1 \u0111u\u00f4i 2 s\u1ebd l\u00e0 c\u00e1c con s\u1ed1 c\u00f3 \u0111u\u00f4i l\u00e0 2.<\/p>\n C\u1eb7p s\u1ed1 c\u00f3 \u0111u\u00f4i 0 l\u00e0: t\u1eeb 00 \u0111\u1ebfn 90.<\/p>\n C\u1eb7p s\u1ed1 c\u00f3 \u0111u\u00f4i 1 l\u00e0: t\u1eeb 01 \u0111\u1ebfn 91.<\/p>\n C\u1eb7p s\u1ed1 c\u00f3 \u0111u\u00f4i 2 l\u00e0: t\u1eeb 02 \u0111\u1ebfn 92.<\/p>\n C\u1eb7p s\u1ed1 c\u00f3 \u0111u\u00f4i 3 l\u00e0: t\u1eeb 03 \u0111\u1ebfn 93.<\/p>\n C\u00e1c c\u1eb7p c\u00f3 \u0111u\u00f4i \u0111\u1ebfn 9 c\u0169ng t\u00ednh t\u01b0\u01a1ng t\u1ef1.<\/p>\n C\u00e1c b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1 <\/em><\/strong>s\u1eafp x\u1ebfp theo Ch\u1ea1m:<\/em><\/strong><\/p>\n L\u00e0 c\u00e1c c\u1eb7p s\u1ed1 l\u00f4 \u0111\u1ec1 s\u1eafp x\u1ebfp theo ch\u1ea1m l\u00e0 c\u00e1c c\u1eb7p s\u1ed1 c\u00f3 ch\u1ee9a \u00edt nh\u1ea5t m\u1ed9t con s\u1ed1. V\u00ed d\u1ee5 nh\u01b0 ch\u1ea1m 0 ngh\u0129a l\u00e0 c\u1eb7p s\u1ed1 \u0111\u00f3 c\u1ea3 \u0111\u1ea7u v\u00e0 \u0111u\u00f4i c\u00f3 \u00edt nh\u1ea5t m\u1ed9t con s\u1ed1 0 trong \u0111\u00f3.<\/p>\n Ch\u1ea1m 0 l\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 c\u00f3 ch\u1ee9a s\u1ed1 0 nh\u01b0: 01,10 \u0111\u1ebfn 90,00.<\/p>\n Ch\u1ea1m 1 l\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 c\u00f3 ch\u1ee9a s\u1ed1 1 nh\u01b0: 01,10 \u0111\u1ebfn 19,91,11.<\/p>\n Ch\u1ea1m 2 l\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 c\u00f3 ch\u1ee9a s\u1ed1 2 nh\u01b0: 02,20 \u0111\u1ebfn 29,92,22.<\/p>\n \u0110\u1ed1i v\u1edbi c\u00e1c ch\u1ea1m kh\u00e1c, b\u1ea1n c\u0169ng t\u00ednh nh\u01b0 v\u1eady.<\/p>\n S\u1eafp x\u1ebfp theo b\u1ed9 S\u1ed1<\/p>\n<\/div>\n Th\u00ec c\u00e1c c\u1eb7p s\u1ed1 s\u1ebd c\u00f3 15 b\u1ed9 v\u00e0 \u00e1p d\u1ee5ng theo quy lu\u1eadt. T\u1ee9c l\u00e0 b\u1ea1n c\u1ed9ng th\u00eam v\u1edbi c\u1eb7p s\u1ed1 05, 50, 55 v\u00e0 \u00e1p d\u1ee5ng quy t\u1eafc b\u1ed9 s\u1ed1 thu\u1eadn \u2013 ngh\u1ecbch. B\u1ed9 s\u1ed1 n\u00e0y g\u1ed3m 5 b\u1ed9 4 s\u1ed1 v\u00e0 10 b\u1ed9 8 s\u1ed1.<\/p>\n V\u1edbi b\u1ed9 4 s\u1ed1 5 c\u1eb7p g\u1ed3m 2 con s\u1ed1 gi\u1ed1ng nhau. C\u00e1c b\u1ea1n c\u1ee9 l\u1ea5y s\u1ed1 b\u1ed9 c\u1ed9ng v\u1edbi 55, 05 ho\u1eb7c 50 l\u00e0 b\u1ea1n ra \u0111\u01b0\u1ee3c con s\u1ed1 ti\u1ebfp theo. Theo quy t\u1eafc tr\u00ean th\u00ec b\u1ea1n s\u1ebd c\u00f3 c\u00e1c b\u1ed9 s\u1ed1:<\/p>\n B\u1ed9 s\u1ed1 00: 00,55,05,50.<\/p>\n B\u1ed9 s\u1ed1 11: 11,66,16,61.<\/p>\n B\u1ed9 s\u1ed1 22: 22,77,27,72.<\/p>\n B\u1ed9 s\u1ed1 33: 33,88,38,83.<\/p>\n B\u1ed9 s\u1ed1 44: 44,99,49,94.<\/p>\n V\u1edbi b\u1ed9 8 s\u1ed1 10 c\u1eb7p g\u1ed3m 2 con s\u1ed1 kh\u00e1c nhau \u0111i chung. B\u1ea1n d\u00f9ng s\u1ed1 b\u1ed9 thu\u1eadn v\u00e0 b\u1ed9 s\u1ed1 ng\u01b0\u1ee3c r\u1ed3i c\u1ed9ng v\u1edbi 05, 50, 55.<\/p>\n B\u1ed9 01: 01,10,06,60,51,15,56,65.<\/p>\n B\u1ed9 02: 02,20,07,70,25,52,57,75.<\/p>\n B\u1ed9 03: 03,30,08,80,35,53,58,85.<\/p>\n B\u1ed9 04: 04,40,09,90,45,54,59,95.<\/p>\n B\u1ed9 12: 12,21,17,71,26,62,67,76.<\/p>\n T\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c b\u1ed9 s\u1ed1 kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 v\u1eady.<\/p>\n C\u00e1c b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1 tr\u00ean s\u1ebd cho c\u00e1c b\u1ea1n c\u00f3 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng qu\u00e1t v\u1ec1 l\u00f4 \u0111\u1ec1. Hy v\u1ecdng v\u1edbi c\u00e1c ki\u1ebfn th\u1ee9c m\u00e0 ch\u00fang t\u00f4i chia s\u1ebb s\u1ebd gi\u00fap cho c\u00e1c b\u1ea1n c\u00f3 th\u00eam nhi\u1ec1u kinh nghi\u1ec7m l\u00f4 \u0111\u1ec1<\/strong>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\nB\u1ed9 s\u1ed1 l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec?<\/strong><\/h2>\n
<\/p>\n
C\u00e1c b\u1ed9 s\u1ed1 trong l\u00f4 \u0111\u1ec1 <\/strong><\/h2>\n
<\/p>\n
t\u1eadp \u0111o\u00e0n soi c\u1ea7u mi\u1ec1n b\u1eafc cao c\u1ea5p<\/span><\/strong><\/h4>\n