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100

8 + 7 =

 15

100

15 − 6 = 

9

100

9 + 5 =

14

100

14 − 8 =

6

200

23 + 18 =

41

200

45 − 17 =

28

200

36 + 24 =

60

200

50 − 29 =

21

300

7 × 6 =

42

300

9 × 8 =

72

300

56 ÷ 7

8

300

48 ÷ 6 =

8

400

34 + 27 − 15 =

46

400

8 × 7 + 12 =

68

400

72 ÷ 8 + 9 =

18

400

45 − 18 + 26 =

53

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