Direction:Perform the indicated operation
Pasagot po pls!!..
Thank u!!

Answer:
1. -12
2. 36
3. 20
4. -16
5. 21
6. 2
7. 2
8. -5
9. -2
10. -3
11. 10
12. -9
13. -4
14. -6
15. -10
16. 12
17. -15
18. 5
19. 1
20. 2
Step-by-step explanation:
pa brainliest po