Međunarodna matematička olimpijada 1989

[ 1989 | IMO ]
#TitleTagsSol.QualityDifficulty
1739IMO Shortlist 1989 problem 10
1751IMO Shortlist 1989 problem 131
1758IMO Shortlist 1989 problem 201
1760IMO Shortlist 1989 problem 220
1761IMO Shortlist 1989 problem 231
1768IMO Shortlist 1989 problem 302