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All of the solution will be post in comment, so anyone welcome to write the solution, the official (by me) solution will be post as soon as the problem solved.


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Saturday, February 13, 2010

2010 Pieces of Paper

Given $11$ pieces of paper. In every step, choose several paper, then cut it into $11$ pieces of paper from each piece (which is choosen). Can we obtain $2010$ pieces of paper after several step?
Posted by rudi at Saturday, February 13, 2010
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