0.28÷7=
9.5÷5=
0.7×0.3=
0.24×5=
2.3×2=
5÷0.01=
8.04÷0.2=
0.4×0.3÷0.4×0.3=
1.6×0.25=
4.8×100=
3.45÷0.01=
0.22=
3.5×0.2=
9+3.1=
2-0.88=
a-0.12a=