跟著brilliant. org上的網課自己學，她覺得自己概率方麵比較薄弱。學啥都是有好處的，她願意幹啥我到都沒意見

來源: 兩女寶媽於 2024-02-11 10:16:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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