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Old 04 ¾ÄȨԡÒ¹ 2008, 18:07
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ÊÒÁàËÅÕèÂÁ´éÒ¹à·èÒ $ABC$ ÁÕǧ¡ÅÁÅéÍÁÃͺ ÅÒ¡àÊ鹵ç¨Ò¡ $A$ µÑ´ $BC$ ¾ºàÊé¹Ãͺǧ¢Í§Ç§¡ÅÁ·Õè¨Ø´ $X$ µèÍ $XC$ áÅÐ $XB$ ·Õè¨Ø´ $C$ ·ÓÁØÁ $ACP$ à·èҡѺÁØÁ $XAB$ ¾º $AX$ ·Õè¨Ø´ $P$ ¨§¾ÔÊÙ¨¹ìÇèÒ $\frac{AP}{PX}=\frac{BX}{XC}$

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04 ¾ÄȨԡÒ¹ 2008 18:12 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ warutT
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¢é͹Õé¼Á¾ÔÊÙ¨¹ìÇèÒ$P$à»ç¹¨Ø´ÈÙ¹Âì¡ÅÒ§ÍèФÃѺ
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Old 04 ¾ÄȨԡÒ¹ 2008, 19:16
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⨷Âì¹Õé¤Øé¹æææ áµè·ÓäÁèä´éÍèÒ ªèǺ͡ÇԸդԴ˹èͤÃѺ

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Old 04 ¾ÄȨԡÒ¹ 2008, 19:20
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ÍÕ¡¢éͤÃѺ
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Old 04 ¾ÄȨԡÒ¹ 2008, 19:46
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Old 04 ¾ÄȨԡÒ¹ 2008, 20:07
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04 ¾ÄȨԡÒ¹ 2008 20:11 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 3 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ warutT
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Old 04 ¾ÄȨԡÒ¹ 2008, 20:19
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âÍé ¢Íº¤Ø³¤ÃѺ §èÒ¡ÇèÒÇÔ¸Õ¼ÁàÂÍÐ ÇèÒáµè¤Ø³ warutT ãªéâ»Ãá¡ÃÁÍÐäÃÇÒ´ÃÙ»ÍèФÃѺ
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Old 04 ¾ÄȨԡÒ¹ 2008, 20:54
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Old 04 ¾ÄȨԡÒ¹ 2008, 21:51
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05 ¾ÄȨԡÒ¹ 2008 19:33 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ winlose
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Old 04 ¾ÄȨԡÒ¹ 2008, 22:58
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Old 05 ¾ÄȨԡÒ¹ 2008, 17:22
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