#1
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ᡵÑÇ»ÃСͺ
àÍҤӵͺº 12 àÁÉÒ¹ 2010 10:06 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ moooop |
#2
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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
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#3
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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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Ice-cream
12 àÁÉÒ¹ 2010 10:47 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ nong_jae |
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