38﹣19=
2.5×4=
=
9﹣0.9=
125×60%=
7.2÷0.4=
4.5a﹣a=
1÷10+=
()×12=
×3÷=
×0=
x﹣60%x=36
0.5x﹣2.5=2.5
1- =
51÷ =
8.5﹣8.5×0=
× ÷ × =
30÷50%=
1÷0.01=
21.3× +11.7× =
29.8﹣10.9=
88+8.8= 90÷5= 0.1÷0.2= 0.12×0.8= 0.3²=
÷10= ×0.25= - = + = ×7÷ ×7=
3.7+5.6= 2.4÷0.08= += 8﹣= 0.23=
×6.4= ×= 3÷1%= 4a+a= 6×÷6×=
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