Subtraction
Addition
1

What is 2-1?

1

1

What is 2+2?

4

2

What 4-2?

2

2

What is 4+4?

8

3

What is 7-5?

2

3

What is 10+4?

14

4

What is 15-6?

9
4

What is 22+6?

28

5

What is 35-13?

22

5

What is 47+13?

60

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