Addition
Subtraction
Addition 2
Subtraction 2
100
1 + 0
1
100

4 - 3

1

100

2 + 2

4

100

3 - 3

0

200

3 + 2

5

200
7 - 4
3
200

4 + 3

7

200

9 - 1

8

300

5 + 5

10

300
11 - 3
8
300

9 + 2

11

300

14 - 3

11

400

11 + 5

16

400
18 - 2
16
400

11 + 4

15

400

17 - 0

17

500

20 + 0

20

500
19 - 4
15
500

13 + 5 

18

500

20 - 10

10

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