So, one plus three is four, four sixths, which leaves two sixths, or one third.

加上3是4，六分之四，还剩六分之二，也就是三分之一。

youdao

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

一加二等于三。六减四等于二。

youdao

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

一加二等于三。六减四等于二。

youdao