才六七年級的娃，你就要人家學微分方程？有必要那麽趕麽？工科數學學的是知識，而不是數學思維，到大學再學也不遲

來源: 我是誰的誰於 2025-01-18 08:44:19 [舊帖] [給我悄悄話] 本文已被閱讀：次

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