这个问题的余数应该是2。

The remainder of this problem should be 2.

当你用7除以3时，余数是1。

When you divide 7 by 3, the remainder is 1.

计算这个除法问题的余数。

Calculate the remainder of this division problem.

如果你除以5，余数会是多少？

What will the remainder be if you divide by 5?

取模运算常用于编程中寻找余数。

The modulo operation is often used in programming to find remainders.

他总是忘记检查他的答案中的余数。

He always forgets to check the remainder in his answers.

当你使用模数运算时，你会得到除法的余数。

When you use the modulus operation, you get the remainder of a division.

要找到模数，你需要将数字除以另一个数字并取余数。

To find the modulus, you need to divide the number and take the remainder.

在做减法时,你必须把余数进位.

When you are subtracting numbers you should carry the remainder.

该余数与0 比较（如果余数是0，那么num 可以被3整除）。

That remainder is compared to 0 (it is the remainder 0 and, thus, num is divisible by 3).