共30题用时5分钟

2.7+0=

4.1×2=

0.5×10=

12.5×8=

2.6×3=

2.5×2=

2.3×4=

30×0.1=

7.5×0.1=

3.25×0=

0.4×50=

0.35×0.2=

0.6×8=

0.7×0.8=

2.8×10=

0.86÷2=

0.36÷0.4=

0.75÷0.25=

0.125×8=

0.56÷28=

5.6×100=

0.02×0.5=

3.6×0.3=

0.75×100=

6×3.4=

0.62-0.32=

7.2×0.8=

4.7+2.3=

4.5×2=

5.6+0.4=