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Old 18 ¸Ñ¹ÇÒ¤Á 2009, 18:37
GolFFee GolFFee äÁèÍÂÙèã¹Ãкº
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GolFFee is on a distinguished road
Default ÊÁ¡ÒþÒÃÒâºÅÒ+àÊ鹵ç ¨Ø´µÑ´

¶éÒÁÕÊÁ¡ÒþÒÃÒâºÅÒ $y^2=8x$
ÁÕàÊ鹵ç $2\sqrt{2}x-y-4\sqrt{2}= 0$ ¼èÒ¹¨Ø´â¿¡ÑÊ (2,0)
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18 ¸Ñ¹ÇÒ¤Á 2009 19:50 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ GolFFee
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  #2  
Old 18 ¸Ñ¹ÇÒ¤Á 2009, 19:44
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
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nooonuii is on a distinguished road
Default

ä´é¤ÃѺ µÑ´¡Ñ¹·Õè¨Ø´ $(1,-2\sqrt{2})$ áÅÐ $(4,4\sqrt{2})$

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¡çàÍÒ $y=2\sqrt{2}x-4\sqrt{2}$ ä»á·¹ã¹ÊÁ¡ÒÃ

$y^2=8x$ áÅéÇá¡éÊÁ¡ÒáÓÅѧÊͧ¤ÃѺ
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18 ¸Ñ¹ÇÒ¤Á 2009 19:46 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ nooonuii
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