我現在也屬於沒有耐心了．不過中級代數也有個別題目的推導（書本上上的）我和弟弟也一點思路沒有．隻能看答案了．：（

來源: Pilsung 於 2025-07-22 21:51:33 [舊帖] [給我悄悄話] 本文已被閱讀：次

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