http://dientuvietnam...metex.cgi?P(P(x))=x^n-1 với mọi số thực http://dientuvietnam...n/mimetex.cgi?x
Edited by kelieulinh, 09-10-2005 - 10:57.
Edited by kelieulinh, 09-10-2005 - 10:57.
Learn from yesterday,live for today,hope for tomorrow
The important thing is to not stop questioning
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