回複：IQ 趣味數學

來源: soccermom 於 2007-03-30 18:23:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

3．八分之七。（打一成語)

答：七上八下

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