12.5%= 75%= 37.5% = 50%=
0.42=%
3.1=%
4.6=%
0.89=%
0.15=%
8.08=%
5.3=%
.
=%
1﹣20%= 0.125÷ = 38.5÷7= +0.6= 1÷3× =
0.4×0.5= - = 1.6÷0.2= 8× ÷8× = =