1 + 9 =

(a)  

2 + 8 =

(a)  

3 + 7 =

(a)  

4 + 6 =

(a)  

5 + 5 =

(a)  

6 + 4 =

(a)  

7 + 3 =

(a)  

8 + 2 =

(a)  

9 + 1 =

(a)  

10 + 0 =

(a)  

9 + 0 =

(a)  

8 + 1 =

(a)  

7 + 2 =

(a)  

6 + 3 =

(a)  

5 + 4 =

(a)  

4 + 5 =

(a)  

3 + 6 =

(a)  

1 + 8 =

(a)  

2 + 7 =

(a)  

0 + 9 =

(a)  

0 + 8 =

(a)  

1 + 7 =

(a)  

2 + 6 =

(a)  

3 + 5 =

(a)  

4 + 4 =

(a)  

5 + 3 =

(a)  

6 + 2 =

(a)  

7 + 1 =

(a)  

8 + 0 =

(a)  

7 + 0 =

(a)  

6 + 1 =

(a)  

5 + 2 =

(a)  

4 + 3 =

(a)  

3 + 4 =

(a)  

2 + 5 =

(a)  

1 + 6 =

(a)  

0 + 7 =

(a)  

0 + 6 =

(a)  

1 + 5 =

(a)  

2 + 4 =

(a)  

3 + 3 =

(a)  

4 + 2 =

(a)  

5 + 1 =

(a)  

6 + 0 =

(a)  

5 + 0 =

(a)  

4 + 1 =

(a)  

3 + 2 =

(a)  

2 + 3 =

(a)  

1 + 4 =

(a)  

0 + 5 =

(a)  

0 + 4 =

(a)  

1 + 3 =

(a)  

2 + 2 =

(a)  

3 + 1 =

(a)  

4 + 0 =

(a)  

3 + 0 =

(a)  

2 + 1 =

(a)  

1 + 2 =

(a)  

0 + 3 =

(a)  

0 + 2 =

(a)  

1 + 1 =

(a)  

1 + 0 =

(a)  

0 + 1 =

(a)  

0 + 0 =

(a)