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  #1  
Old 27 ¡Ã¡®Ò¤Á 2014, 11:35
ohlalazz ohlalazz äÁèÍÂÙèã¹Ãкº
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1.x^2(3x+2y)
2.(x+y)(x-y)
ËÒ͹ؾѹ¸ìÂèÍ¢ͧ fx áÅÐ fy

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  #2  
Old 27 ¡Ã¡®Ò¤Á 2014, 11:56
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
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  #3  
Old 27 ¡Ã¡®Ò¤Á 2014, 12:13
ohlalazz ohlalazz äÁèÍÂÙèã¹Ãкº
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  #4  
Old 27 ¡Ã¡®Ò¤Á 2014, 13:31
nooonuii nooonuii äÁèÍÂÙèã¹Ãкº
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ÍéÒ§ÍÔ§:
¢éͤÇÒÁà´ÔÁà¢Õ¹â´Â¤Ø³ ohlalazz View Post
1.x^2(3x+2y)
2.(x+y)(x-y)
ËÒ͹ؾѹ¸ìÂèÍ¢ͧ fx áÅÐ fy

¶éÒäÁèÁÕǧàÅ纼Á·Óä´é¤ÃѺ áµè¹ÕèÁÕǧàÅ纼ÁÂéÒÂÊÁ¡ÒÃäÁèà»ç¹ ªèÇÂ˹è͹ФÃѺ
$x^2(3x+2y)=3x^3+2x^2y$

$(x+y)(x-y)=x^2-y^2$

·ÓẺ¹Õéä´éÁÑé¤ÃѺ
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  #5  
Old 27 ¡Ã¡®Ò¤Á 2014, 13:58
ohlalazz ohlalazz äÁèÍÂÙèã¹Ãкº
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