10÷[1/5×(35%-1/10)×4/5]求简算

问题描述:

10÷[1/5×(35%-1/10)×4/5]求简算

10÷[1/5×(35%-1/10)×4/5]
=10÷(0.25x4/25)
=10÷0.04
=10x25
=250