已知 x^2 + y^2 = 17 求 3x + 5y 的最大值。

來源: wxcfan123 於 2023-02-28 19:43:02 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.