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  #1  
Old 17 ¸Ñ¹ÇÒ¤Á 2009, 18:25
rattachin calculated rattachin calculated äÁèÍÂÙèã¹Ãкº
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Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 02 Á¡ÃÒ¤Á 2009
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rattachin calculated is on a distinguished road
Default ͸ԺÒµç¹ÕéãËé·Õ¤ÃѺ

ãËé A = { 1 , 2 , 3 } áÅÐ B = {a b c d e} ¨§ËÒ
¡.¨§Ëҿѧ¡ìªÑ¹¨Ò¡ a ä» b

ªèÇÂ͸ԺÒ´éǹФÃѺ¼Áà»Ô´ä»¡çÁÕáµèÊٵà >>> n(B) ¡¡ÓÅѧ n(A) <<< ¼ÁäÁèà¢éÒ㨷ÕèÁҢͧÊÙµÃ
·Õè¼Áà¤Â·ÒÁ¼Á¨ÐäÇè áµèàÍÒ n(A) x n(B) á¤è¹ÕéÍèФÃѺ ¢Íº¤Ø³¤ÃѺ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #2  
Old 17 ¸Ñ¹ÇÒ¤Á 2009, 22:06
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
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Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 25 ¾ÄÉÀÒ¤Á 2001
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nooonuii is on a distinguished road
Default

¨ÐÊÃéÒ§¿Ñ§¡ìªÑ¹ $1$ ¿Ñ§¡ìªÑ¹¨Ò¡ $A$ ä» $B$ µéͧ·Ó§Ò¹ $3$ ÍÂèÒ§µèÍà¹×èͧ¡Ñ¹¤×Í

1. ¨Ñº¤ÙèàÅ¢ $1$ ¡ÑºÊÁÒªÔ¡ã¹ $B$ ¨Ó¹Ç¹ÇԸըѺ¤ÙèÁÕ $5$ ÇÔ¸Õ

2. ¨Ñº¤ÙèàÅ¢ $2$ ¡ÑºÊÁÒªÔ¡ã¹ $B$ ¨Ó¹Ç¹ÇԸըѺ¤ÙèÁÕ $5$ ÇÔ¸Õ

3. ¨Ñº¤ÙèàÅ¢ $3$ ¡ÑºÊÁÒªÔ¡ã¹ $B$ ¨Ó¹Ç¹ÇԸըѺ¤ÙèÁÕ $5$ ÇÔ¸Õ

â´Â¡®¡Òäٳ¨Ó¹Ç¹¿Ñ§¡ìªÑ¹·Ñé§ËÁ´¨Ðéà·èҡѺ $5\times 5\times 5$
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