共30题用时5分钟

1.34×2=

8.4÷0.21=

1.2÷0.3=

1.5×0.3=

6.3÷21=

0.15×0.4=

0.84÷0.21=

2.55×0.4=

0.48÷48=

0.24÷0.6=

9.4÷0.2=

2.5×0.4=

0.55÷11=

9.2÷2.3=

0.5×0.4=

3.2×0.01=

0.55÷05=

2.6÷1.3=

4.2×0.8=

15÷1.5=

0.06×0.15=

9.6÷6=

3.1×0.7=

8×0.125=

5.1÷1.7=

3.2×0.5=

3.4÷1.7=

1.5÷0.15=

3.6÷0.9=

6.3÷0.9=