均分區間[0,1)為n𠆤長度等於1/n的區間, 然後利用抽屜(或稱鴿籠)原理, 即可證明。
回複:這個題不知道有木有人出過。
所有跟帖:
• 對了。還以為能掛上幾天呢。 -wxcfan123- ♂ (0 bytes) () 09/04/2012 postreply 18:54:29
• 對了。還以為能掛上幾天呢。 -wxcfan123- ♂ (0 bytes) () 09/04/2012 postreply 18:54:29
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