D\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb, l\u1ebb ch\u1eb5n, ch\u1eb5n ch\u1eb5n, l\u1ebb l\u1ebb trong s\u1ed1 \u0111\u1ec1 l\u00e0 g\u00ec v\u00e0 c\u00f3 c\u1ea5u t\u1ea1o ra sao. Ch\u1eafc h\u1eb3n khi nghe t\u1edbi kh\u00e1i ni\u1ec7m n\u00e0y th\u00ec kh\u00f4ng \u00edt ng\u01b0\u1eddi s\u1ebd \u0111\u1eb7t ra c\u00e2u h\u1ecfi nh\u01b0 v\u1eady. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd kh\u00f4ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u00e1c d\u00e0n \u0111\u1ec1 n\u00e0y. M\u00e0 ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng v\u00e0 chi ti\u1ebft nh\u1eefng con s\u1ed1 c\u00f3 trong d\u00e0n \u0111\u1ec3 anh em ti\u1ec7n tham kh\u1ea3o.<\/p>\n
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\n