共30题用时5分钟

5.5×2=

0.32×100=

0×23.5=

7.2×0.5=

4.73×10=

0.25×4=

60×0.8=

3.3×0.5=

3.4×0.6=

4-1.4=

0.125×8=

82-7.2=

19+9.1=

5.68+0.42=

4.1-0.89=

5×400=

187÷1000=

6.1-5.1=

0.048+0.52=

19.9+11.1=

0.72- 0.24=

0.89-0.25=

1-0.98=

0.8+0.18=

0.8×7=

1.5×7=

0.96÷8=

0.081×10=

75÷10=

1+3.89=