脱式计算。4乘以0.8乘以0.25乘以12.5

Question

如题所述

Answer 1

这样简便计算
（0.8*12.5）*（0.25*0.4）=10*0.1=1

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Answer 2

4×0.8×0.25×12.5
=4×0.25×(0.8×12.5)
=1×10
=10

Answer 3

4×0.8×0.25×12.5
=4×0.25×(0.8×12.5)
=1×10
=10本回答被提问者采纳

Answer 4

10