这小女孩已在学做加减法了。

The little girl has begun to learn to add and subtract.

youdao

入学第一年，多数孩子学习加减法。

In their first year at school, most children learn to ADD and subtract.

youdao

你也应该学会加减法的心算。

You also learn how to add and subtract in your head.

youdao

掌握整十数加减法的计算方法。

Master the method of doing addition and subtraction.

youdao

我还会教他做数学的加减法。

I will teach him additions and subtractions in math.

youdao

这或许是个加减法，一切都看你如何看待它。

This may be a plus or a minus, depending on how you look at it.

youdao

孩子们在三年级应该有能力去计算加减法。

Children should be able to subtract in the third grade.

youdao

他正在学习加减法。

He is learning to add and subtract.

youdao

我女儿在家学习，她五岁，已经学会了加减法。

At 5, my home schooled daughter already knows how to add and subtract.

youdao

这个小不点孩子都已经会做简单的加减法问题了。

The little boy can already do simple problems in addition and subtraction.

youdao

很危险的是，一些先生甚至连复杂的加减法都不会做。

The danger: students who can not even do simple addition and subtraction.

youdao

很危险的是，一些先生甚至连复杂的加减法都不会做。

The danger: students who can not even do simple addition and subtraction.

youdao