3.6÷0.04=
12.5×0.08=
0.25×400=
1.01-0.1÷10=
50×0.2=
98÷0.07=
8.88×125=
3.8×11-3.8=
6.8×0.01=
12.5×0.8=
12÷60=
0.01÷0.1=
0.56÷0.7=
1.8÷0.6=
500×0.4=
0.75×0÷8.75=
x+3.4x=30.8
(x+1.2)×6=10.8
(x-7)÷5=57.6
答:一共花了( ) 元
答:应找回( )元。