additions
additions 2
subtractions
subtractions 2
multiplicaton
100

1+1

2

100

10+10

20

100

2-1

1

100

23-19

4

100

2x3

6

200

3+4

7

200

22+15

37

200

2-2

0

200

66-50

16

200

3x3

9

300

5+6

11

300

87+12

99

300

6-4

2

300

86-70

16

300

5x5

25

400

3+9

12

400

37+50

87

400

9-6

3


400

33-20

13

400

10x10

100

500

7+9

16

500

15+15

30

500

7-4

3

500

73-72

1

500

7x8

56

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