AMC 8 2020 Problem 10

AMC8 2020 年第 10

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?
  1. A.6
  2. B.8
  3. C.12
  4. D.18
  5. E.24

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

继续练习

真题版权归属 MAA(AMC)。本站仅供学习用途。版权方如有异议,请联系本站予以下架。

Problems © MAA (AMC). This site is for study purposes only. Rightsholders may contact us for removal.