4.2÷0.07=
0.33-0.23=
=
×÷ ×=
4.6+54=
+×2=
1÷30%=
4÷-÷4=
9.01-0.7=
54÷=
2-55%=
2.5×9×0.4=
0.32-0.22=
3.14×4=
++ =
1÷-÷1=
8.2+0.08=
8.1÷3%=
×0.25=
6-6÷9=
10÷=
×6÷×6=
40÷20%=
32×75%=
0.56÷0.7=
3.8+0.62=
4-4÷6=
×=
6-=
1.6+0.4×2=