就看你怎麽看，(2X-2) 還是 2(X-1)，不同順序。可以拿個簡單的函數試試，體會一下。

來源: Numero 於 2025-06-14 11:16:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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