alguien me podria ayudar?(poner procedimiento)



1. (−4) + (−1) = −4 − 1 =
2. (−3) + (5) =
3. (−3) + (5) = −3 + 5 =
4. (−2) + (−2) =
5. (−1) + (−6) =
6. (−3) + (−6) =
7. (−5) + (−8) =
8. (−4) + (−10) =
9. (−9) + (−1) =
10. (−12) + (−7) =
11. (−15) + (−3) =
12. 4 + (−2) =
13. 10 + (−6) =
14. 4 + (−7) =
15. 3 + (−9) =
16. 2 + (−10) =
17. 6 + (−12) =
18. 7 + (−7) =
19. 4 + (−4) =
20. 17 + (−8) =
21. 20 + (−14) =
22. 25 + (−13) =
23. 15 + (−11) =
24. 22 + (−19) =
25. 18 + (−16) =
26. 8 + (−12) =
27. 5 + (−10) =
28. 9 + (−17) =