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  #1  
Old 12 àÁÉÒ¹ 2010, 10:06
moooop moooop äÁèÍÂÙèã¹Ãкº
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Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 20 ¸Ñ¹ÇÒ¤Á 2009
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12 àÁÉÒ¹ 2010 10:06 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ moooop
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #2  
Old 12 àÁÉÒ¹ 2010, 10:16
Siren-Of-Step's Avatar
Siren-Of-Step Siren-Of-Step äÁèÍÂÙèã¹Ãкº
¡ÃкÕè¸ÃÃÁªÒµÔ
 
Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 25 ¡Ñ¹ÂÒ¹ 2009
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$x^2+5x = x(x+5)$
$x^2-x = x(x-1)$
$x^4 - 3x^2 = (x^2 - \sqrt{3}x)(x^2 + \sqrt{3}x)$

ãªéà·¤¹Ô¤¸ÃÃÁ´Ò¤ÃѺ ´Ö§µÑÇÃèÇÁ ¼ÅµèÒ§ ¡ÓÅѧÊͧÊÁºÙóì
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Fortune Lady
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #3  
Old 12 àÁÉÒ¹ 2010, 10:46
nong_jae's Avatar
nong_jae nong_jae äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³¤ØéÁ¤ÃͧÃèÒ§
 
Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 18 Á¡ÃÒ¤Á 2010
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ÃÙ»·Õè 1
$1.x(x+5)$
$2.x(x-1)$
$3.x^2(x-\sqrt{3})(x+\sqrt{3})$
$4.3x(x-2y)$
$5.27x^3(3x-2)$
ÃÙ»·Õè 2
$1.17(\sqrt{3}xy-1)(\sqrt{3}xy+1)$
$2.2h(6h^4-4h^2+1)$
$3.2x(2x-1)(x+1)$
$4.3x^2(4y^2+3y+x)$
ÃÙ»·Õè 3
$1.7a(a^2-ab+2b^3)$
$2.(x+3)(x+2)$
$3.(3a-1)(2a-5)$
$4.(x-4)(x-3)$
ÃÙ»·Õè 4
$1.(c-5)(c-3)$
$2.(2c+1)(2c-7)$
$3.(x+y)(a-b)$
$4.(x-y)(a-b)$
ÃÙ»·Õè 5
$1.(a+b+c-d)(x+y)$
$2.(x-2y)(c-\sqrt{2})(c+\sqrt{2})$
$3.x(a-b)(x+1)$
$4.(a+b)(a+c)$
ÃÙ»·Õè 6
$1.§§$
$2.(r-s)(p+q)$
$3.(x-a)(m+n)$
$4.zcy ¹èÒ¨Ðà»ç¹ 2cy ä´é (2c-1)(3a-y)$
ÃØ»·Õè 7
$1.(x-3)(x-y)$
$2.(2x-1)(x^3+2)$
$3.(x+1)(x^3+2)$
$4.(y-1)(y^2+1)$
ÃÙ»·Õè 8
$1.(x-y)(a-b+c)$
$2.(a+b)(ax+by+c)$
»Å.äÁè¤èÍÂá¹è㨠ºÒ§¢éÍÁѹ´Ùá»Å¡æ Âѧ䧡çªèÇ´ÙãËé´éǹФÐ
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12 àÁÉÒ¹ 2010 10:47 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ nong_jae
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
µÑé§ËÑÇ¢éÍãËÁè Reply



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