1÷20%=5, 18÷
3
8 =48, 0.5+35%=0.85, 25×4%=1, 1-0.9%=0.991,
4×70%=2.8, 2÷
4
5 =
5
2 , 0.4×0.5=0.2,
2
3 +40%=
16
15 , 1-0×
1
6 =1.
1÷20%=5, 18÷
3
8 =48, 0.5+35%=0.85, 25×4%=1, 1-0.9%=0.991,
4×70%=2.8, 2÷
4
5 =
5
2 , 0.4×0.5=0.2,
2
3 +40%=
16
15 , 1-0×
1
6 =1.