共30题用时5分钟

5.29×2.3=

0.28×35=

0.25×0.5=

4.68×4.5=

0.85×1.01 =

0.1×0.01 =

6.5×5 6.5=

6.71×25.7=

25.7×3.29=

4.73×3.9=

2.5×1.25=

1×0.85=

47.3×0.391=

0.473×0.39=

2.4×5＝

1×1.25＝

47.3×3.9=

0.45×0.09＝

6.2×0.03＝

0.125×0.125＝

9.9×2.5×0.4＝

0.25×16＝

9×0.18＝

0.7×8＝

6.8×2＝

5.2×3.05×4.8＝

1.05×0.1＝

17.5×7.5×2＝

3.05×4＝

4.2×21＝