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 club consists of 8 women and 8 men.The club has a president and a vice president.No club member can hold more than one position.
Quantity A
The number of possible assignments such that a woman is president and a man is vice president
Quantity B
The number of possible assignments such that both the president and vice president positions are filled by women
A显示答案
以上解析由 考满分老师提供。
