[1-(1⼀4 2⼀5)]÷3.5简便计算&#65532?

2024-11-30 07:33:32
推荐回答(2个)
回答(1):

列式计算
[1-(1/4+ 2/5)]÷3.5
=(1-13/20)÷7/2
=7/20÷7/2
=1/10

回答(2):

原式
=(1-13/20)÷7/2
=7/20÷7/2
=1/10