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Must differ by 3 (
Posted on 2015-10-23
)
Let S consist of 16 elements of the set (1,2,3, ... , 106) so that no two elements of S differ by 6; 9; 12; 15; 18; or 21.
Prove that at least two of the elements of S must differ by 3.
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Submitted by
Ady TZIDON
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Subject
Author
Date
re: analytic solution
Steve Herman
2015-10-27 11:26:45
analytic solution
Paul
2015-10-27 11:19:17
computer proof
Charlie
2015-10-23 13:03:39
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