divisor problem

例句：

1. 1. The problem with this division is that it's not very precise.
   这个除法问题就是它不够精确。
2. 2.The divisor of 12 is 3 because 12 divided by 3 gives a remainder of 0.
   12的除数是3，因为12除以3余数为0。
3. 3. The divisor of 15 is 3 because 15 divided by 3 gives a remainder of 0.
   15的除数是3，因为15除以3余数为0。