3 + 1 = _____

1 + 8 = _____

2 + 1 = _____

9 + 1 = _____

1 + 6 = _____

6 + 2 = _____

5 + 4 = _____

5 + 3 = _____

4 + 1 = _____

9 + 1 = _____

6 + 4 = _____

2 + 8 = _____

2 + 4 = _____

6 + 1 = _____

3 + 4 = _____

2 + 2 = _____

6 + 2 = _____

8 + 2 = _____

6 + 2 = _____

7 + 1 = _____