（3.2+0.56）÷0.8＝ 要有过程，越快越好。先回答，先给分

Answer 1

 

Answer 2

=3.86÷0.8=4.7

追问

1.25÷3.2呢？

是×

追答

50

Answer 3

＝3.76÷0.8
=4.7

Answer 4

=3.76÷0.8
=4.7

Answer 5

=3.76/0.8
=4.7

追问

1.25×3.2

追答

=1.25x(8x0.4)
=1.25x8X0.4
二10x0.4
=4