算數學問題 - 拼圖

By Kama
at 2004-04-28T22:51
at 2004-04-28T22:51
Table of Contents
Let A1, A2,..., Am 包含於 [n]
for any two distinct subset Ai and Aj
Ai 交集 Aj的元素個數恰好是1
證明 m小於等於n
謝謝解答唷
ps:因為不需要太深的數學背景
所以我覺得還算益智遊戲
如果版主覺得不適合就砍了吧...
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By Blanche
at 2004-04-29T08:35
at 2004-04-29T08:35
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