共30题用时5分钟

3.8×5=

0.45×2.5=

0.213×0.26=

8.7×9=

1.3×3=

0.02×1.7=

3.7×0.2=

0.1×0.01=

0.3×0.3=

68.59×12.23=

0.51×0.6=

105.2×0.2=

0.36×0.2=

3.82×0.3=

1.006×0.3=

2.14×2=

1.9×46.78=

2.71×0.4=

1.1×0.8=

4.8×8=

6.8×0.1=

0.5×2×0.1=

7×0.7×0=

4×0.4×0.3=

0.6×17=

0.75×2.2×0.3=

8.6 +1.4 ×5 =

8.6×0.3=

9.7×0.2=

2.4×8=