Tr\u01b0\u1edbc ti\u00ean b\u1ea1n t\u00ednh b\u1ea1ch th\u1ee7 l\u00f4 theo nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u m\u00e0 b\u1ea1n hay \u00e1p d\u1ee5ng.<\/p>\n
Sau khi t\u00ednh \u0111\u01b0\u1ee3c b\u1ea1ch th\u1ee7 l\u00f4, b\u1ea1n s\u1ebd t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a con b\u1ea1ch th\u1ee7 b\u1ea1n v\u1eeba ch\u1ecdn.<\/p>\n
B\u1ea1n s\u1ebd gh\u00e9p t\u1ed5ng \u0111\u00f3 v\u1edbi con b\u1ea1ch th\u1ee7 \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u00f4 3 c\u00e0ng chu\u1ea9n x\u00e1c.<\/p>\n
V\u00ed d\u1ee5, h\u00f4m nay b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c con b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 22, nh\u01b0 v\u1eady ta s\u1ebd c\u00f3 t\u1ed5ng l\u00e0 2+2=4. Nh\u01b0 v\u1eady ta s\u1ebd c\u00f3 con l\u00f4 3 c\u00e0ng l\u00e0 422.<\/p>\n
C\u00e1ch \u0111\u00e1nh n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n gh\u00e9p con \u0111\u1ec1 v\u1ec1 h\u00f4m tr\u01b0\u1edbc v\u1edbi th\u1ee9 c\u1ee7a h\u00f4m b\u1ea1n \u0111\u00e1nh \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u00f4 3 c\u00e0ng.<\/p>\n
V\u00ed d\u1ee5, h\u00f4m nay l\u00e0 th\u1ee9 3 v\u00e0 \u0111\u1ec1 v\u1ec1 ng\u00e0y h\u00f4m qua l\u00e0 con 09. Nh\u01b0 v\u1eady ch\u00fang ta s\u1ebd c\u00f3 con l\u00f4 3 c\u00e0ng cho h\u00f4m nay l\u00e0 309.<\/p>\n
\n- 1 v\u00e0 4 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- 2 v\u00e0 9 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- 3 v\u00e0 6 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- 5 v\u00e0 8 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- 0 v\u00e0 7 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n<\/ul>\n
Ta c\u00f3 b\u1ed9 s\u1ed1 b\u00f3ng d\u01b0\u01a1ng nh\u01b0 sau:<\/p>\n