共30题用时5分钟

5.37×0+4.63 =

3.9＋2.03＝

4.2÷3.5＝

2.5×0.7×0.8=

16÷1.6＝

5.6×1.01=

8－2.5＝

8×0.25＝

0.36＋0.64＝

64.32÷16＝

4.2÷0.1＝

72.8÷0.8＝

8.4÷4.2＝

22.5×4=

（1.5＋0.25）×4＝

5.5÷0.55=

1.8×0.4=

0.9÷0.15=

7.2×0.3=

2.8×0.3=

8.4×0.2=

1.6×0.2＝

0.5×0.8=

8.8÷2.2=

13.8＋9.9＝

2.4×2.5＝

0.05×0.8＝

2.56－0.37＝

12×2.5＝

1.25×0.8×0.5＝