B\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p l\u00e0 g\u00ec ng\u00e0y 10\/01\/2025<\/strong><\/h2>\r\n\r\n\r\n\r\nB\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p l\u00e0 1 con l\u00f4 duy nh\u1ea5t ch\u1ee9a h\u00e0ng ch\u1ee5c ho\u1eb7c h\u00e0ng \u0111\u01a1n v\u1ecb gi\u1ed1ng nhau \u1edf 10 s\u1ed1 t\u1ef1 nhi\u00ean, g\u1ed3m c\u00f3 c\u00e1c s\u1ed1 l\u00f4 k\u00e9p d\u1ea1ng nh\u01b0 00, 11, 22, 33, 44, 55, 66, 77, 88, 99, c\u00e1ch \u0111\u00e1nh l\u00f4 k\u00e9p th\u00ec s\u1ebd kh\u00f4ng v\u1ec1 l\u1ed9n \u0111u\u00f4i v\u00ec 2 con s\u1ed1 \u0111i c\u1ea1nh gi\u1ed1ng h\u1ec7t nhau, gi\u00fap t\u1ef7 l\u1ec7 th\u1eafng cao h\u01a1n.<\/p>\r\n\r\n\r\n\r\n