0.3×0.5=
0.72÷0.8=
4.8×0=
2.8÷0.2=
0.16÷0.1=
0.25×4=
7.2÷4=
0.7×10.1=
3.2a+1. 1a=
0.1÷10=
0.125×8=
4×0.6×2.5=