共30题用时5分钟

4.8×8=

6.8×0.1=

2.14×2=

7×0.7×0=

4×0.4×0.3=

8.6 +1.4 ×5 =

0.75×2.2×0.3=

0.5×2×0.1=

1.1×0.8=

0.17×4=

2.4×8=

9.7×0.2=

8.4×8=

0.16×5=

0.3×0.39=

0.6×17=

5×4×0.5=

0.59×2=

3×0.6×7=

3.2×0.9=

0.017×7=

9.4×5=

8.6×0.3=

0.08×10=

0.8×5=

8×0.2×5=

0.5×0.61×0.2 =

6.5×0.9=

9.4×0.3=

（7.6-0.23）×2.64 =