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Sergeeva-Olga [200]
2 years ago
11

Can somebody plz help answer all these questions (like what to add to solve it)

Mathematics
2 answers:
kirza4 [7]2 years ago
6 0
18. 9
19. 5
20. 12
21. 8
22. 2
laila [671]2 years ago
4 0
9,5,12,8,2...........
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