線性代數學清楚並不容易。還是放後麵或者大學在學比較好。有些自己學的半桶水的人，會以為線性代數簡單。

來源: 牛牛兔於 2025-07-09 16:34:30 [舊帖] [給我悄悄話] 本文已被閱讀：次

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