共30题用时5分钟

8.8÷2.2=

19.6÷2＝

0.75×4＝

0.5×0.8=

8.4×0.2=

7.2×0.3=

1.6×0.2＝

0.9÷0.15=

2.8×0.3=

1.8×0.4=

3.5＋3.5×3＝

5.5÷0.55=

0.08×100=

5.46＋4.54=

2.2÷0.11=

1.4×5=

0.48÷0.8=

19.6÷4=

4÷0.5=

2.8×4=

0.35×0.3=

10÷2.5=

7.5÷1.5=

12.5×0.8=

1.5÷3=

0.42÷7=

3.52÷1=

0.42÷0.6=

0.9÷0.45=

2.2×6=