成績好的十年級後的暑假搞定，不用補習班。娃說網上很多免費題，khan academy也有，沒有用我自作多情買的書。

來源: TigerLady 於 2025-06-19 13:10:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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