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～
There are 50 students in the class. 27 of them join the project A, and 25 of them join project B. If everyone must join at least one project, then what's the number of students who join both projects?
2 显示答案
以上解析由 考满分老师提供。
