2022年美赛赛题已发布，附件查看赛题pdf文件！

美赛官方赛题下载网址：

The contest problems will also become available for teams to view precisely at 4:50PM EST on Thursday February 17, 2022 on the following mirror sites:

比赛问题也将在 2022 年 2 月 17 日星期四美国东部标准时间下午 4:50 在以下镜像站点上供团队准确查看：

http://www.comapmath.com/MCMICM/index.html
http://www.comap-math.com/mcm/index.html
http://www.mathportals.com/mcm/index.html
http://www.immchallenge.org/mcm/index.html
If you cannot access any of the sites, there may be a problem with your local Internet connection. Contact your local Internet service provider to resolve the issue.
如果您无法访问任何网站，您的本地 Internet 连接可能有问题。请联系您当地的 Internet 服务提供商以解决该问题。