101 reputation
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bio website viridium.ro
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visits member for 1 year, 5 months
seen Sep 10 '13 at 18:42

Jul
16
comment How to convince a math teacher of this simple and obvious fact?
Is there really a teacher, or just a stealth delivery for your question? :)
Jun
20
awarded  Supporter
Jun
20
comment Number of Trees with n Nodes
I'm tempted to +1 even for the amount of work you put into the matrix and all the symbols in your answer. :)