最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
On a bookshelf, Pat arranges 7 different books: 2 history books, 3 philosophy books, and 2 science books. If Pat arranges the books so that the history books are next to each other, the science books are next to each other, and the philosophy books are next to each other, how many different arrangements are possible?
C显示答案
· 相关考点
6.3.6 捆绑法
6.3.6 捆绑法
以上解析由 考满分老师提供。
