T\u00ednh \u0111\u1ec1 \u0111\u1ed9c th\u1ee7 \u0111\u1ec1 3 c\u00e0ng theo t\u1ed5ng ng\u00e0y 08\/01\/2025<\/strong><\/h3>\n\n\n\n\u0110\u1ec1 3 c\u00e0ng l\u00e0 c\u00e1ch ch\u01a1i \u0111\u1ec1 kh\u00e1 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay, ng\u01b0\u1eddi ch\u01a1i s\u1ebd t\u00ednh \u0111\u1ec1 theo 3 s\u1ed1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. Theo \u0111\u00f3, c\u00e1ch t\u00ednh \u0111\u1ed9c th\u1ee7 \u0111\u1ec1 3 c\u00e0ng theo t\u1ed5ng kh\u00e1 \u0111\u01a1n gi\u1ea3n, b\u1ea1n kh\u00f4ng c\u1ea7n suy t\u00ednh nhi\u1ec1u. B\u1ea1n ch\u1ec9 c\u1ea7n c\u1ed9ng t\u1ed5ng 2 s\u1ed1 b\u1ea1ch th\u1ee7 l\u00f4 ng\u00e0y tr\u01b0\u1edbc \u0111\u00f3 l\u1ea1i v\u1edbi nhau v\u00e0 ch\u1ecdn 1 s\u1ed1 \u0111\u1ec3 gh\u00e9p v\u1edbi b\u1ea1ch th\u1ee7 l\u00e0 \u0111\u01b0\u1ee3c. V\u00ed d\u1ee5 b\u1ea1ch th\u1ee7 c\u00f3 t\u1ed5ng 33, l\u1ea5y 3 + 3 = 6 th\u00ec \u0111\u1ec1 3 c\u00e0ng s\u1ebd l\u00e0 633. Tr\u01b0\u1eddng h\u1ee3p t\u1ed5ng c\u1ee7a b\u1ea1ch th\u1ee7 l\u1edbn h\u01a1n 10, v\u00ed d\u1ee5 l\u00e0 66, 6 + 6 = 12, b\u1ea1n s\u1ebd ch\u1ecdn c\u1ea3 2 l\u00e0 166, 266 \u0111\u1ec3 ch\u01a1i.<\/p>\n\n\n\n