20×70%= 70÷14= 30÷15%=
120×0.3%= 8-0.35= 3÷3%= 125%×0.8=
7.8÷0.2=
×2-3.5=
12×(-)=
-+=
4×(1-10%)=
-62.5%=
+50%=
÷+×2=
40÷20%=
32×75%=
0.56÷0.7=
3.8+0.62=
4-4÷6=
×=
6-=
1.6+0.4×2=