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#2
31 ¾ÄÉÀÒ¤Á 2010, 22:26
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$\sqrt[3]{x} +\sqrt[3]{2x+3} = \sqrt[3]{12(x-1)} $
$x\times \frac{1}{3} + (2x+3)\times \frac{1}{3} = [12(x-1)]\times\frac{1}{3} $ ⨷Âì¹ÕèÊͧ¢éÍÃÖà»ÅèÒ¤ÃѺ§§
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31 ¾ÄÉÀÒ¤Á 2010 22:34 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 3 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Beta 
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