0.16×2=
4×0.25=
2.4×50=
2.7×0.3÷2.7×0.3=
24.56÷0.8=
12.1÷0.01=
0.5×0.5=
0.7÷3.5=
3.3-0.33=
10×3.8-3.8=
0.16÷0.4×2.5=