Addition
Subtraction
Addition 2
100

2+3

5

100

3-2

1

100

10+10

20

200

3+9

12

200

4-2

2

200

9+10

19

300

12+4

16

300

5-2

3

300

6+8

14

400

3+5

8

400

10-4

6

400

7+2

9

500

6+9

15

500

11-5

6

500

6+13

19

M
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n
u