共30题用时5分钟
0.8×0.9=
1.6×0.03=
0.6×100=
0.09×0.9=
15×0.08=
54×0.8=
2.3×0.06=
6.5×4=
4.7×0.1=
4.25×4=
0.07×0.5=
33×0.04=
17.5×0.01=
25×0.4=
3.2×0.5=
8.5×0.2=
3.6×0.7=
12.5×0.8=
6.5×0.4=
0.66×0.3=
6×6.5=
7.7×0.8=
0.012×20=
2.5×0.4=
0.75×0.4=
23×0.4=
3×0.09=
2.2×0.05=
4.1×0.6=
4.6×0.4=