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1993 Romania Team Selection Test
2
x²+y²+z² = 1993 then x+y+z can't be a perfect square
x²+y²+z² = 1993 then x+y+z can't be a perfect square
Source:
April 29, 2008
number theory unsolved
number theory
Problem Statement
x^2 \plus{} y^2 \plus{} z^2 \equal{} 1993 then prove x \plus{} y \plus{} z can't be a perfect square:
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