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#1
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àÃ×èÍ§Ê¶ÔµÔ »¹¡Ñº ¤ÇÒÁ¹èÒ¨Ðà»é¹ÁÑ觹Դ˹èÍ ú¡Ç¹´éǤÃѺ 1 ¢éÍ
¨Ó¹Ç¹ÊعѢ 0 1 2 3 4
¨Ó¹Ç¹ºéÒ¹ 1 2 3 X 1 1. ¨§ËÒ¤èÒ·Õèà»ç¹ä»ä´é¢Í§ X àÁ×èͤèÒÁѸ°ҹ¢Í§¨Ó¹Ç¹ÊعѢà·èҡѺ 3 2.¨§ËÒ¤èҢͧ X àÁ×èÍà©ÅÕèÂàÅ¢¤³Ôµ¢Í§¨Ó¹Ç¹ÊعѢà·èҡѺ 2.5 ¢Íà¾ÔèÁ¹Ô´Ë¹èͤÃѺ 22 ¸Ñ¹ÇÒ¤Á 2009 23:35 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Math_M |
#2
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¤èÒÁѸ°ҹ¢Í§¨Ó¹Ç¹ÊعѢà·èҡѺ 3 áÊ´§ÇèÒ $\frac{(1+2+3+x+1)+1}{2} >6$
$\qquad \qquad\qquad\qquad \qquad\qquad\qquad \qquad\qquad \frac{x+8}{2} >6$ $\qquad \qquad\qquad\qquad \qquad\qquad\qquad \qquad\qquad x+8>12$ $\qquad \qquad\qquad\qquad \qquad\qquad\qquad \qquad\qquad \qquad x>4$ |
#3
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¢Íº¤Ø³ ¤ÃѺ áµè Âѧ â¡êÐææ ÍÂÙè¹Ô´ææ
ªèÇ·ӢéÍÊͧãËé´Ù˹èÍ ÍѹááẺ ¼Á §§ ÇèÒáµè ÅèÐÍѹ ÁÒÂÑ§ä§ ¾ÃØ觹Õé ¨ÐÊͺáÅéÇ Í¸ÔºÒ·դÃѺ »ÃÐÁÒ³ ÇèÒ ºÃ÷Ѵáá ·ÓäÁµéͧºÇ¡ 1 §èÒ §§ (ºÇ¡1¹Í¡Ç§àÅçº §èÒ) ÊÃØ» §§ ÁѹËÁ´ 555 ªèÇ·դÃѺ 22 ¸Ñ¹ÇÒ¤Á 2009 23:58 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Math_M |
#4
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¢éÍ 1 à»ç¹ÊÙµÃËÒµÓá˹觢ͧÁѸ°ҹ = $\frac{N+1}{2} $
¢éÍ 2 ¤èÒà©ÅÕè = $\frac{\sum_{i = 1}^{n}f_ix_i}{N} $ ¨Ðä´é $\qquad \frac{(1)(0)+(2)(1)+(3)(2)+(x)(3)+(1)(4)}{1+2+3+x+1} =2.5$ $\qquad \qquad \qquad \qquad\qquad \qquad \qquad \frac{3x+12}{x+7} =2.5$ ·ÕèàËÅ×Í¡çËÒ¤èÒ $x$µèÍä´é |
#5
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¢Íº¤Ø³¤ÃѺ ^^
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#6
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ÍéÒ§ÍÔ§:
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https://www.viagrasansordonnancefr.c...pagne-youtube/ 24 ¸Ñ¹ÇÒ¤Á 2009 19:21 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 3 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ ~VesCuLaR~ |
#7
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¨Ò¡¢éÍÁÙŢͧáµèÅкéÒ¹·ÕèàÅÕé§ÊعѢ àÃÕ§¨Ó¹Ç¹ÊعѢ¨Ò¡¹éÍÂä»ËÒÁÒ¡¾ºÇèÒ 6 ºéÒ¹ááàÅÕé§ÊعѢµèÓ¡ÇèÒ 3 µÑÇ (ºéÒ¹·Õè 1 àÅÕé§ÊعѢ 0 µÑÇ ºéÒ¹·Õè 2,3 àÅÕé§ÊعѢ 1 µÑÇ ºéÒ¹·Õè 4,5,6 àÅÕé§ÊعѢ 2 µÑÇ ) ºéÒ¹·ÕèàÅÕé§ÊعѢ 3 µÑǨ֧µéͧà¡Ô¹ÅӴѺ·Õè 6 á¹èæ
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#8
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¢éÍ2 x=11 ãªèäËÁ¤Ð ?
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MWIT FIGHTING ^^ |
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