我主动提供娃学习/作业/做题上的帮助仅限于高中内容，再往上就不再能具体，只能指出个大概的方向。赫赫。艰难探索还是靠娃自己

来源: Midwestrural 于 2025-06-25 17:56:48 [旧帖] [给我悄悄话] 本文已被阅读：次

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