subtracter

subtracter的英语例句

1. children learning addition and subtraction

   学习加减的儿童

2. I looked at what he'd given me and did a quick subtraction.

   我看着他给我的东西，快速做了个减法。

3. She's ready to learn simple addition and subtraction.

   她已经可以开始学习简单的加减法。