Međunarodna matematička olimpijada 1990

[ 1990 | IMO ]
#TitleTagsSol.QualityDifficulty
1773IMO Shortlist 1990 problem 32
1776IMO Shortlist 1990 problem 60
1781IMO Shortlist 1990 problem 110
1786IMO Shortlist 1990 problem 160
1793IMO Shortlist 1990 problem 236
1795IMO Shortlist 1990 problem 252