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Adding
Subtracting
Multiplying
Random
100

3.2 + 5.1

8.3

100

8.2 - 4.1

4.1

100

1.23 x 4

4.92

100

1.1 + 2.3

3.4

200

2.35 + 6.48

8.83

200

3.47 - 1.59

1.88

200

7.3 x 2

14.6

200

3.4 - 2.1

1.3

300

9.8 + 7.29

17.09

300

7.3 - 2.35

4.95

300

3.75 x 5

18.75

300

4.6 x 7

32.2

400

5.7 + 10.65

16.35

400

14.85 - 11.4

3.45

400

12 x 3.7

44.4

400

15 x 6.5

97.5

500

12.34 + 13.52

25.86

500

20.6 - 12.46

8.14

500

72 x 3.6

259.2

500

75.2 x 12

902.4