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        riddles >> putnam exam (pure math) >> USAMO 2003 problems are available
        
(Message started by: anonymous on May 1^st, 2003, 5:26am)

Title: USAMO 2003 problems are available
Post by anonymous on May 1^st, 2003, 5:26am

http://www.unl.edu/amc/

Title: Re: USAMO 2003 problems are available
Post by anonymous on May 7^th, 2003, 10:24pm

Day 1 problems are very easy.
Day 2 problems are very difficult.

Hints:
1) induction
2) draw quadrilateral and pentagon
3) find lower bound of t(a_i)