subtract

如果你从20减去5，你会得到15。

If you ___subtract 5 from 20, you'll get 15.

老师让我们用计算器从100中减去25。

The teacher asked us to ___subtract 25 from 100 using a calculator.

老师让我们从总数中减去错误的答案。

The teacher asked us to ___subtract the wrong answers from the total.