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 45 students in a class. 23 students take math course, and 28 students take science course, while 7 students take neither of them. How many students take both math and science courses?
13 显示答案
以上解析由 考满分老师提供。
