Question

求简便计算

Answer 1

4×0.25+0.8×0.25

追答

等于1.2

追问

 

简便

Answer 2

=（4+0.8)×0.25 =4×0.25+0.8×0.25 =1+0.2 =1.2

追答

求采纳

Answer 3

把4.8分成4和8在分别乘，把两个结果加起来，

Answer 4

4×0.25＋0.8×0.25＝1＋0.2＝1.2

Answer 5

4x0.25+0.8x0.25=1+0.2=1.2

Answer 6

0.25和4.8乘以100

追答

在解答

就好了