3.1×0.3= 0.04×0.2=
0.16×0.5= 0.12×6=
0.8×0.05= 1.7×0.03=
1.8×0.4= 2.1×4=
0.37×2.9=
0.56×0.08=
0.48×0.90.48 1.8×1.011.8
2.17÷0.992.17 5.17÷1.575.17
0.6×0.5=
0.125×8=
3.5×0.2=
0.9×0.8=
4.5×0.2=
1.5×0.4=