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Find all pairs of natural numbers (a, b) such that 7^a - 3^b divides a^4 + b^2.

Author: Stephan Wagner, Austria

Slični zadaci

#NaslovOznakeRj.KvalitetaTežina
1871IMO Shortlist 1993 problem N16
1872IMO Shortlist 1993 problem N20
2258IMO Shortlist 2007 problem N217
2260IMO Shortlist 2007 problem N44
2314IMO Shortlist 2009 problem N29
2409MEMO 2007 pojedinačno problem 425