共30题用时5分钟

4.8÷6=

25.8÷6=

22.8÷3=

0.96÷0.03=

246.4÷13=

2.17÷0.7=

2.4÷0.2=

3.81÷7=

32÷42=

4.8÷0.6=

19.76÷5.2=

5.98÷0.23=

9.6÷0.3=

5.4-3.6-1.4=

30×0.01=

0.4÷0.01=

15÷1.5=

5.3+6.7=

314-202=

286+198=

7.2×0.4=

8+2-8+2=

2.8×1.4=

12.9-8.5=

0.3×3.6＝

0.3×0.3＝

0.8×1.25＝

223-99=

0.45×2.5＝

526+301=