俺知不道。PDE不適合數學競賽，對往下學數學幫助也不大。小姑娘需要LA、組合數學/概率論等拓寬和提高自己。我會這麽推薦

來源: 成功的飛過於 2024-06-13 08:16:30 [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.