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100

0.76-0.67=?

0.09

100

0.89+0.62=?

1.51

100

0.32/2=?

0.16

100

0.37x2=?

0.74

100

0.63/3=?

0.21

200

2.37-1.48=?

0.89

200

1.38+2.88=?

4.26

200

5.85/3=?

1.95

200

2.93x3=?

8.79

200

8.92x2

17.84

300

12.59-8.68=?

3.91

300

18.15+5.72=?

23.87

300

20.25/45=?

0.45

300

12.59x2=?

25.18

300

13.35+17.27=?

30.62

400

2.65-0.21-1.26=?

1.18

400

3.56+1.71+3.22=?

8.49

400

4.48/7/8=?

0.08

400

0.2x2x1.3=?

0.52

400

1.28+3.42+5.86=?

10.56

500

49.27-23.32-15.44=?

10.51

500

10.7+12.91+23.11=?

46.72

500

17.19/1.5/3=?

3.82

500

7.35x2x6.3=?

92.61

500

27.09-243.72/9=?

0.01