{ 1 3 2 4 6 5 7 ___ }

2025-05-23 阅读 2 评论 0

摘要：The sequence alternates between adding 2 and subtracting 1, but with an additional +2 inserted at ce

The sequence alternates between adding 2 and subtracting 1, but with an additional +2 inserted at certain points. Breaking it down:

${ 1 3 2 4 6 5 7 ___ }$

Differences: +2, -1, +2, +2, -1, +2

Following this pattern, the next difference is -1, leading to 7

1 = 6.

Interleaved Sequences:

Even positions (2nd, 4th, 6th, 8th): 3, 4, 5, 6 (increasing by 1 each time).

Both approaches confirm the next term is 6.

Answer: 6

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