Respuesta :

altavistard
27,?,?,?,53,...   has a common difference of (53 - 27) / 4, or 6.5.

27

27 + 6.5 = 33.5

33.5 + 6.5 = 40

40 + 6.5 = 46.5

46.5 + 6.5 = 53

Each new term is equal to the previous term plus 6.5.

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