共30题用时5分钟

42.4＋7.6＝

8.76＋0.351＝

0.08÷0.001=

6.45÷0.01=

53.73－17.49＝

0.36÷0.03=

7.5÷2.5=

8.8÷0.2=

0.96 ÷6=

0.75÷0.5=

0.01÷0.2=

0.7×5=

0.1×6.7=

1.6×0.5=

2.5×4=

0.74×0.4=

0.08×1000=

7.5×3=

4.8×0.4=

5.4+4.6×2.8=

9-3.2×0.8=

(1.5+2.4)×0.2=

0×25.4=

1.7+1.3×0.4=

8.5÷0.5+0.6=

7.2÷0.8=

5.4÷0.6=

9.5÷0.1=

3.6×23.6=

10÷2.5=