AMC 8 2020 Problem 10
AMC8 2020 年第 10 题
排列与组合★★☆☆☆
Zara has a collection of 4 marbles: an Aggie, a Bumblebee, a Steelie, and a Tiger. She wants to display them in a row on a shelf, but does not want to put the Steelie and the Tiger next to one another. In how many ways can she do this?
有 4 个玻璃球,分别叫 Aggie,Bumblebee,Steelie 和 Tiger。她想把它们在架子上排成一行,但不想让 Steelie 和 Tiger 相邻。那么她有多少种排列方法?
- A.6
- B.8
- C.12
- D.18
- E.24
正确答案 · Correct Answer
C
解析 · Solution
解析整理中
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