6.5+1.43/1.3怎样用运算定律计算
问题描述：
6.5+1.43/1.3怎样用运算定律计算
答
6.5+1.43/1.3
=6.5+(1.3+0.13)/1.3
=6.5+(1.3/1.3+0.13/1.3)
=6.5+1+0.1
=7.65.75/1.5+0.25*6.8