回複：謝謝您的答複！我也認為是這四種。簡稱為相離，相交，包含和相等。

來源: jinjing 於 2010-07-23 12:55:37 [] [舊帖] [給我悄悄話] 閱讀數 : (162 bytes)

Ha,interesting,my answer was totally for another question.
At first,I wonder why did you ask so simple question,,,,maybe you want to know deeper....So I did...

所有跟帖： 

• yes, you are right. i want to know deeper ones coming. -皆兄弟也- ♂ 給 皆兄弟也 發送悄悄話 皆兄弟也 的博客首頁 (0 bytes) () 07/23/2010 postreply 15:15:47

請您先登陸，再發跟帖！