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1. Sucesiones con adiciones
2. Sucesiones con sustracciones

60, 52, 44, 36, 28

20, 17, 14, 11, 8

-5, -1, 3, 7, 11

-6, 0, 6, 12, 18

12, 10, 8, 6, 4

47, 38, 29, 20, 11

-4, -2, 0, 2, 4

-4, 4, 12, 20

5, 10, 15, 20, 25

45, 38, 31, 24, 17

30, 24, 18, 12, 6

-1, 2, 5, 8, 11