SOLUTION: 3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9, ?
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Sequences-and-series
-> SOLUTION: 3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9, ?
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Algebra: Sequences of numbers, series and how to sum them
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Question 1167109
:
3, -6, 12, 4, 20, ?
7, 16, 8, 27, 9, ?
2, 7, 26, 101, 400, ?
7, 21, 8, 72, 9, ?
Answer by
ikleyn(52781)
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These are puzzles.
They are not Math questions.
As Math questions, they make no sense.
Any number can go next.