0 + 1 =

(a)  

0 + 2 =

(a)  

0 + 3 =

(a)  

0 + 4 =

(a)  

0 + 5 =

(a)  

0 + 6 =

(a)  

0 + 7 =

(a)  

0 + 9 =

(a)  

0 + 10 =

(a)  

1 + 1 =

(a)  

1 + 2 =

(a)  

1 + 3 =

(a)  

1 + 4 =

(a)  

1 + 5 =

(a)  

1 + 6 =

(a)  

1 + 7 =

(a)  

1 + 8 =

(a)  

1 + 9 =

(a)  

1 + 10 =

(a)  

2 + 3 =

(a)  

2 + 4 =

(a)  

2 + 5 =

(a)  

2 + 6 =

(a)  

2 + 7 =

(a)  

2 + 8 =

(a)  

2 + 9 =

(a)  

2 + 10 =

(a)  

3 + 3 =

(a)  

3 + 4 =

(a)  

3 + 5 =

(a)  

3 + 6 =

(a)  

3 + 7 =

(a)  

3 + 8 =

(a)  

3 + 9 =

(a)  

3 + 10 =

(a)  

4 + 4 =

(a)  

4 + 5 =

(a)  

4 + 6 =

(a)  

4 + 7 =

(a)  

4 + 8 =

(a)  

4 + 9 =

(a)  

4 + 10 =

(a)  

5 + 5 =

(a)  

5 + 6 =

(a)  

5 + 7 =

(a)  

5 + 8 =

(a)  

5 + 9 =

(a)  

5 + 10 =

(a)  

6 + 6 =

(a)  

6 + 7 =

(a)  

6 + 8 =

(a)  

6 + 9 =

(a)  

6 + 10 =

(a)  

7 + 8 =

(a)  

7 + 9 =

(a)  

7 + 10 =

(a)  

8 + 8 =

(a)  

8 + 9 =

(a)  

8 + 10 =

(a)  

9 + 9 =

(a)  

9 + 10 =

(a)  

7 + 7 =

(a)