1. 1 + 10 =
2. 5 + 8 =
3. 1 + 2 =
4. 0 + 10 =
5. 9 + 8 =
6. 10 + 7 =
7. 9 + 5 =
8. 8 + 6 =
9. 8 + 7 =
10. 1 + 10 =
11. 5 + 10 =
12. 6 + 0 =
13. 10 + 8 =
14. 8 + 9 =
15. 0 + 5 =
16. 9 + 3 =
17. 10 + 9 =
18. 3 + 6 =
19. 0 + 10 =
20. 7 + 5 =