还是不懂，既然Pre-Cal 11 是十一年级上，怎么题目说正常十年级学？

来源: Mich_Agent 于 2024-04-03 14:52:50 [旧帖] [给我悄悄话] 本文已被阅读：次

楼主越解释让人越糊涂

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