回複：多謝你的邀請。我最多是個數學愛好者，很不專業。

來源: NaCl 於 2010-09-09 20:05:18 [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.