AMC 8 2026 Problem 17
AMC8 2026 年第 17 题
排列与组合★★★☆☆
Four students are seated in a row. They chat with the people sitting next to them, then rearrange themselves so that they are no longer seated next to any of the same people. How many rearrangements are possible?
四名学生坐在一排。他们先和相邻的人聊天，然后重新排列座位，使得每个人都不再与之前相邻的人坐在一起。有多少种这样的重新排列方式？
- A.2
- B.4
- C.9
- D.12
- E.24
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
继续练习