确实，我看弟弟做中级代数，其实也就是我们高中和大一的函数难度，结果弟弟老出错．就是思维比笔头快，步骤不够严谨．

来源: Pilsung 于 2025-07-02 13:41:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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