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QEDMO
2005 QEDMO 1st
1 (Z4)
1 (Z4)
Part of
2005 QEDMO 1st
Problems
(1)
Sum of five cubes
Source: QEDMO 2005
11/8/2005
Prove that every integer can be written as sum of
5
5
5
third powers of integers.
geometry
3D geometry
induction
modular arithmetic
number theory proposed
number theory