31.5×0.931.5;
5.42×0.95.42;
0.98×10.98;
2.5×0.82.5;
3.56×1.013.56;
4.95×14.95.
395.5×100=
2.43×1.2=
1.25×0.4=
0.001+10.099=
0.9×0.9=
4×0.2=
0.9×0.7=
1.5×0.4=
1.2×5=
3.6×0.05=