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～
A list consists of 24 different positive four-digit integers ordered from least to greatest. Each integer in the list consists of the four digits 6, 7, 8, and 9, without repetitions. If 8,697 is the n^{th} integer in the list, what is the value of n?
n=_____
n=_____
14 显示答案
· 相关考点
6.3.4 排列
6.3.4 排列
以上解析由 考满分老师提供。
