二元一次的標準做法是Cramer's rule？這是讓小孩死背公式的教法啊！

來源: trivial 於 2023-09-30 09:23:27 [舊帖] [給我悄悄話] 本文已被閱讀：次

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二元一次的標準做法是Cramer's rule？ 這是讓小孩死背公式的教法啊！