三减一等于二。

Three minus one is two.

youdao

三减二是一。

Three minus two is one.

youdao

四减三等于一。

Four minus three is one.

youdao

在这里，三减二往往是大于一的。

In this, three minus two equals more than one.

youdao

一加二等于三。六减四等于二。

One plus two is three. Six minus four is two.

youdao

一加二等于三。六减四等于二。

One plus two is three. Six minus four is two.

youdao