you tell me,please,not 8.
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Ms. Kang has explained, her explanation is not as clear as you d
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07/16/2011 postreply
06:30:03
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Why f(8)=0?Cs we use a Thm, It is unknow for most people here.
-jinjing-
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07/16/2011 postreply
08:19:30
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You like calcul
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07/16/2011 postreply
09:10:20