差那麽多？我以為是y=x+a，a還比較小，哈哈。

來源: 羽絨服於 2025-05-30 07:41:03 [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.