多謝，很有幫助。我給娃建議的LA,有用又不難，可惜已經full了，第一學期學ODE有些難。

來源: tidytiger 於 2025-06-20 20:42:10 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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