五年级分数计算题简单比如7/8 + ( 1/8 + 1/9 )

问题描述:

五年级分数计算题简单比如7/8 + ( 1/8 + 1/9 )

7/8+(1/8+1/9)
=7/8+1/8+1/9
=8/8+1/9 (这步可不写)
=1+1/9
=10/9