你那是以前。這20年來國內數學係的好學生都是搞過競賽的

來源: STEMkid 於 2025-08-31 06:10:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.