math
math
math
math
math
100

14-7

7

100

8+6

14

100

7+9

16

100

1+4

5

100

8+4

12

200

9+6

15

200

10-3

7

200

10-7

3

200

11-9

2

200

10-1

9

300

22+5

27

300

20+5

25

300

30+7

37

300

22+2

24

300

24+2

26

400

28+5

33

400

15+10

25

400

11+12

23

400

13+6

19

400

6+15

21

500

37-7

30

500

33-5

28

500

23-9

14

500

34+6

40

500

30-6

24

M
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