C\u1edb s\u1edf l\u1eadp n\u00ean d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb, l\u1ebb ch\u1eb5n, ch\u1eb5n ch\u1eb5n, l\u1ebb l\u1ebb ch\u00ednh l\u00e0 nh\u1eefng con s\u1ed1 \u201cch\u1eb5n\u201d v\u00e0 \u201cl\u1ebb\u201d t\u1eeb 0 \u0111\u1ebfn 9:<\/p>\n
- \n
- Nh\u00f3m s\u1ed1 ch\u1eb5n: 0, 2, 4, 6, 8<\/li>\n
- Nh\u00f3m s\u1ed1 l\u1ebb: 1, 3, 5, 7, 9<\/li>\n<\/ul>\n<\/div>\n\n
M\u1ee5c l\u1ee5c<\/p>\n
- \n
- 1<\/span> D\u00e0n \u0111\u1ec1 ch\u1eb5n ch\u1eb5n<\/li>\n
- 2<\/span> D\u00e0n \u0111\u1ec1 l\u1ebb l\u1ebb<\/li>\n
- 3<\/span> D\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n<\/li>\n
- 4<\/span> D\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb<\/li>\n<\/ul>\n<\/div>\n
D\u00e0n \u0111\u1ec1 ch\u1eb5n ch\u1eb5n<\/span><\/h2>\n
D\u00e0n \u0111\u1ec1 ch\u1eb5n ch\u1eb5n bao g\u1ed3m 25 con s\u1ed1 \u0111\u1ed3ng th\u1eddi h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb \u0111\u1ec1u l\u00e0 s\u1ed1 ch\u1eb5n. D\u00e0n \u0111\u1ec1 ch\u1eb5n ch\u1eb5n s\u1ebd c\u00f3 nh\u1eefng con s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
00, 02, 04, 06, 08, 20, 22, 24, 26, 28, 40, 42, 44, 46, 48, 60, 62, 64, 66, 68, 80, 82, 84, 86, 88<\/p>\n
D\u00e0n \u0111\u1ec1 l\u1ebb l\u1ebb<\/span><\/h2>\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean th\u00ec d\u00e0n \u0111\u1ec1 l\u1ebb l\u1ebb c\u0169ng c\u00f3 25 s\u1ed1 \u0111\u1ed3ng th\u1eddi c\u00e1c con s\u1ed1 n\u00e0y c\u00f3 ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c c\u00f9ng h\u00e0ng \u0111\u01a1n v\u1ecb \u0111\u1ec1u l\u00e0 s\u1ed1 l\u1ebb. D\u00e0n \u0111\u1ec1 l\u1ebb l\u1ebb s\u1ebd c\u00f3 nh\u1eefng con s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
11, 13, 15, 17, 19, 31, 33, 35, 37, 39, 51, 53, 55, 57, 59, 71, 73, 75, 77, 79, 91, 93, 95, 97, 99<\/p>\n
D\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n<\/span><\/h2>\n
D\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n bao g\u1ed3m 25 con s\u1ed1. Tuy nhi\u00ean nh\u1eefng con s\u1ed1 h\u00e0ng ch\u1ee5c s\u1ebd l\u00e0 s\u1ed1 l\u1ebb c\u00f2n con s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb s\u1ebd l\u00e0 s\u1ed1 ch\u1eb5n. C\u1ee5 th\u1ec3 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
D\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb<\/span><\/h2>\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 d\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n th\u00ec d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb s\u1ebd c\u00f3 25 con s\u1ed1. V\u1edbi quy t\u1eafc l\u00e0 con s\u1ed1 h\u00e0ng ch\u1ee5c l\u00e0 s\u1ed1 ch\u1eb5n v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb l\u1ea1i l\u00e0 s\u1ed1 l\u1ebb. T\u1eeb \u0111\u00f3 d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb s\u1ebd bao g\u1ed3m nh\u1eefng con s\u1ed1 d\u01b0\u1edbi \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
V\u1eeba r\u1ed3i ch\u00fang t\u00f4i \u0111\u00e3 gi\u1edbi thi\u1ec7u \u0111\u1ebfn anh em th\u1ebf n\u00e0o l\u00e0 d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb, ch\u1eb5n ch\u1eb5n, l\u1ebb l\u1ebb v\u00e0 l\u1ebb ch\u1eb5n, \u0111\u1ea3m b\u1ea3o \u0111\u00f3 s\u1ebd l\u00e0 m\u1ed9t kinh nghi\u1ec7m \u0111\u00e1nh \u0111\u1ec1 hi\u1ec7u qu\u1ea3 cho anh ch\u1ecb em. Hy v\u1ecdng m\u1ecdi ng\u01b0\u1eddi lu\u00f4n \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng nh\u1eefng kinh nghi\u1ec7m \u0111\u00e1nh \u0111\u1ec1 n\u00e0y trong qu\u00e1 tr\u00ecnh ki\u1ebfm ti\u1ec1n c\u1ee7a m\u00ecnh. Ch\u00fac c\u00e1c b\u1ea1n gi\u1ea3i tr\u00ed vui v\u1ebb v\u00e0 g\u1eb7p nhi\u1ec1u may m\u1eafn!<\/p>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n
- 2<\/span> D\u00e0n \u0111\u1ec1 l\u1ebb l\u1ebb<\/li>\n
- 1<\/span> D\u00e0n \u0111\u1ec1 ch\u1eb5n ch\u1eb5n<\/li>\n