2.5与0.4的积乘以2.5除0.4的商,积是多少?

问题描述:

2.5与0.4的积乘以2.5除0.4的商,积是多少?
2.5×0.4×2.5÷0.4
=1×6.25
=6.25

(2.5×0.4)×(2.5÷0.4)
=(2.5×2.5)×(0.4÷0.4)
=6.25×1=6.25
你做对了.