10×10%=
56%-28%=
1+0.5%=
1-85%=
1÷1%=
1-98%=
3+150%=
3×75%=
80÷20%= 0.4+0.73= 1-0.17=
5.4-0.9= 1-32%= 36×25%=
12.5×0.8= 0.78÷0.6= 0.87+1.23=
0.22= 800×5%= 23 ×30%= 13 : 15 =
5×3.14= 94.2÷3.14= 0.2×0.4= 2.5%×3=