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Find the sum.

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

Sagot :

GinnyAnsweridn
Alright, let's find the sum for each pair step-by-step:

1. [tex]\( 3 + (-3) = 0 \)[/tex]
2. [tex]\( 24 + 15 = 39 \)[/tex]
3. [tex]\( -6 + 3 = -3 \)[/tex]
4. [tex]\( 2 + (-19) = -17 \)[/tex]
5. [tex]\( -13 + 28 = 15 \)[/tex]
6. [tex]\( -25 + 1 = -24 \)[/tex]
7. [tex]\( 27 + 16 = 43 \)[/tex]
8. [tex]\( 14 + 25 = 39 \)[/tex]
9. [tex]\( 12 + (-23) = -11 \)[/tex]
10. [tex]\( -20 + 3 = -17 \)[/tex]
11. [tex]\( 1 + (-8) = -7 \)[/tex]
12. [tex]\( -22 + 5 = -17 \)[/tex]
13. [tex]\( -14 + 19 = 5 \)[/tex]
14. [tex]\( 3 + 13 = 16 \)[/tex]
15. [tex]\( 23 + (-8) = 15 \)[/tex]
16. [tex]\( 7 + (-6) = 1 \)[/tex]
17. [tex]\( -15 + 6 = -9 \)[/tex]
18. [tex]\( -17 + (-28) = -45 \)[/tex]
19. [tex]\( 19 + 21 = 40 \)[/tex]
20. [tex]\( -20 + (-6) = -26 \)[/tex]
21. [tex]\( 2 + 2 = 4 \)[/tex]

So, the sums for each pair are:
1. [tex]\( 0 \)[/tex]
2. [tex]\( 39 \)[/tex]
3. [tex]\( -3 \)[/tex]
4. [tex]\( -17 \)[/tex]
5. [tex]\( 15 \)[/tex]
6. [tex]\( -24 \)[/tex]
7. [tex]\( 43 \)[/tex]
8. [tex]\( 39 \)[/tex]
9. [tex]\( -11 \)[/tex]
10. [tex]\( -17 \)[/tex]
11. [tex]\( -7 \)[/tex]
12. [tex]\( -17 \)[/tex]
13. [tex]\( 5 \)[/tex]
14. [tex]\( 16 \)[/tex]
15. [tex]\( 15 \)[/tex]
16. [tex]\( 1 \)[/tex]
17. [tex]\( -9 \)[/tex]
18. [tex]\( -45 \)[/tex]
19. [tex]\( 40 \)[/tex]
20. [tex]\( -26 \)[/tex]
21. [tex]\( 4 \)[/tex]
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