17 is divided by 5, and the remaining 2 plus 0 represents 20 0 0. 1. In mathematical calculation, 17 is divided by 5, and the remaining 2 is in one place, indicating that there are two 1 left. If a zero is added after 2, it is 20, which means 20 0 0. 1. Dividers are fractional divisions of integers. Divide according to the law of integer division. The decimal point of quotient should be aligned with the decimal point of dividend. If there is a remainder at the end of the dividend, add 0 to the remainder and continue the division.