Question

1.25×4×2.5×0.8用简便计算怎么写

Answer 1

1.25×4×2.5×0.8 =(1.25×0.8)×(2.5×4) =10×10 =100

Answer 2

 

追问

25×1.6用简便计算怎么写

追答

 

追问

3.69+3.69×99用简便计算怎么写

Answer 3

(1.25*8)*(2.5*4)
=10.00*10.0
=100

Answer 4

=1.25✘0.8✘4✘2.5=1✘10=10

追问

4.52x9.9+0.452用简便计算怎么写

追答

少了个等号

45.2

那个

Answer 5

1.25x0.8x4x2.5