二点五乘零点七乘零点四的简便方法运算

2024-11-25 19:51:09
推荐回答(4个)
回答1:

2.5×0.7×0.4
=2.5×0.4×0.7
=1×0.7
=0.7

回答2:

2.5*0.4*0.7=1*0.7=0.7

回答3:

2.5*0.4=1,1*0.7=0.7

回答4:

先算2.5乘0.4