共30题用时5分钟

8.9×1.1×4.7=

64－2.64×0.5=

3.94+34.3×0.2=

3.6×9.85-5.46=

2.7×5.4×3.9=

8.05×3.4+7.6=

2.8×0.5+1.58=

6.58×4.5×0.9=

32＋4.9－0.9=

(1.25－0.125)×8=

4.8－4.8×0.5=

4.8×100.1=

56.5×99＋56.5=

0.87×3.16+4.64=

4.85+0.35÷1.4=

0.25×185×40=

6.8×0.75÷0.5=

6.81+6.81×99=

0.25×39+0.25=

(8×5.27)×1.25=

2.5×(3.8×0.04)=

0.25×185×40=

2.13×0×8257=

4.8×(15 ÷ 2.4)=

6.81+6.81×99=

3.75÷0.125–2.75=

40.5÷0.81×0.18=

1.2+3.2+0.8 =

1.2×2.5×4 =

1.53+23.4÷7.2=