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

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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=6.252.5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=1×6.2

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.