從數學競賽來說，微積分前沒啥幫助，確實對大學特別是工科的學習，e,i,三角函數搞懂了就什麽都通了

來源: 青裁於 2024-11-27 19:10:26 [舊帖] [給我悄悄話] 本文已被閱讀：次

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