1. 3 + 4 =
2. 4 + 5 =
3. 4 + 9 =
4. 5 + 7 =
5. 10 + 13 =
6. 4 + 15 =
7. 9 + 21 =
8. 5 + 33 =
9. 7 + 18 =
10. 6 + 23 =
11. 5 + 41 =
12. 9 + 17 =
13. 20 + 6 =
14. 15 + 12 =
15. 21 + 18 =
16. 14 + 16 =
17. 15 + 19 =
18. 23 + 34 =
19. 15 + 62 =
20. 32 + 91 =
1. 154 + 112 =
2. 356 + 534 =
3. 424 + 556 =
4. 1534 + 3432 =
5. 65856954 + 9892834 =