Question

2.5x0.32怎么简便计算啊 =

Answer 1

 

Answer 2

 

Answer 3

 

Answer 4

=（2.5乘0.4）乘0.8
=1乘0.8
=0.8

追答

求采纳

Answer 5

2.5×0.3。
等于2.5。×0.4xO.8
=1×0.8。
等于0.8。