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2005 Ukraine National Mathematical Olympiad
5
sum of terms
sum of terms
Source: Ukraine 2005 grade 9
July 26, 2009
number theory unsolved
number theory
Problem Statement
Can
1
1
1
be written as a sum of
2005
2005
2005
different terms of the form \frac{1}{3n\minus{}1}, where
n
n
n
is a positive integer?
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