共30题用时5分钟

4.7+2.3=

4.5×2=

7.2×0.8=

6.9－2.5=

0.62－0.32=

6×3.4=

0.75×100=

1.4×0.5=

8.4×0.02=

7.3×0.3=

1.2×6=

7.8÷0.6=

3.2÷5=

7.8÷0.01=

5.4÷0.6=

7×0.62=

7.4－2.8=

0.56÷0.8=

0.18÷0.2=

0.16÷8=

4.5×0.02=

8＋7.2=

1.2×30=

0.012×0.2=

8.65×10=

10÷20=

24÷15=

3.08×0.01=

4.95×1000=

0.35×0.6=