13.8÷（1.38÷0.2）怎样简便计算？

Question

如题所述

Answer 1

13.8÷（1.38÷0.2）
=13.8÷1.38×0.2
=10×0.2
=2

Answer 2

13.8/(1.38/0.2)=13.8/[(1.38*10)/(0.2*10)]
=13.8/[13.8/2]
=13.8/13.8*2
=1*2
=2本回答被网友采纳