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#1
12 ¡Ñ¹ÂÒ¹ 2012, 21:10
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äÁèÃÙé¤ÇÃäÇéä˹ : Åͧ¤Ô´´Ù : à§Ô¹ËÒÂ
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ÁѹËÒÂä»ä´éä§?????  
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#2
12 ¡Ñ¹ÂÒ¹ 2012, 22:13
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http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB
http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB http://www.mathcenter.net/forum/show...CB%D2%C2%E4%BB ¾ÍáÅÐ ¶ÒÁ¡Ñ¹àÂÍÐÁÒ¡àŤÃѺ á¹Ç¹Õé 
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¤³ÔµÈÒʵÃì ¤×Í ÀÒÉÒÊÒ¡Å ¤³ÔµÈÒʵÃì ¤×Í ¤ÇÒÁÊǧÒÁ ¤³ÔµÈÒʵÃì ¤×Í ¤ÇÒÁ¨ÃÔ§ µÔ´µÒÁªÁ¤ÅÔ»ÇÕ´ÕâÍä´é·Õèhttp://www.youtube.com/user/poperKM
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#3
13 ¡Ñ¹ÂÒ¹ 2012, 15:24
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⨷Âì¢é͹Õéà»ç¹Íա˹Ö觵ÑÇÍÂèÒ§ã¹àÃ×èͧ invariant ¤ÃѺ á»ÅÇèÒ "ÊÔ觷ÕèäÁèà»ÅÕè¹á»Å§"
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