X^3 = 125 -> X=5 -> x^2 + 5x + 25 == 25 + 25 + 25 = 0.

來源: 2022_2092 於 2023-02-02 11:10:17 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 解四由 wxcfan123 於 2022-10-16 19:35:50

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