孩子自学最好家长盯着，online课家长也要盯着，AOPS academy现在有11个校园，在那里上课老师会盯着孩子。

来源: BeLe 于 2019-05-21 14:28:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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