4.2÷0.07=
0.33-0.23=
=
×÷ ×=
4.6+54=
+×2=
1÷30%=
4÷-÷4=
14−15=
8.2+0.08=
8.1÷3%=
34×0.25=
6-6÷9=
10÷56=
1÷17-17÷1=
35×6÷35×6=
16.5÷10%=
1-712+512=
1.05×47=
45×45÷45×45=
1-0.62=
1737-1737×117=
1.5a-a=
0.9×9.9+0.09=
1+19%=
3÷13=
25×50%=
1.4÷10%=
27−18+57=
35×259=
1÷25%=
3.4-1.52=
1+13−15÷1=