÷50%=
2-=
×200=
50%×40%=
÷=
50÷25%=
+62.5%=
10×÷10×=
25%×4=
3.7+15%=
72÷80%=
-×0=
37.5%-=
32×3.14=
×=
1÷(-)
①25%×
②
③125% ×3.2 ×25%
④75 ×60%+24×+0.6
()×3×8
35÷()
× 40%+ 90%÷