頂！甜薯的數學好，耐心和細心程度更好。

來源: 小心翼翼的小地主於 2012-04-14 14:23:20 [博客] [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.