9.8与5.6的差除以8的1/5,商是多少?

问题描述:

9.8与5.6的差除以8的

1
5
,商是多少?

(9.8-5.6)÷(8×

1
5

=4.2÷
8
5

=
21
5
×
5
8

=
21
8

答:商是
21
8