Međunarodna matematička olimpijada 1968

[ 1968 | IMO ]
#TitleTagsSol.QualityDifficulty
1307IMO Shortlist 1968 problem 21
1308IMO Shortlist 1968 problem 30
1309IMO Shortlist 1968 problem 40
1320IMO Shortlist 1968 problem 151
1327IMO Shortlist 1968 problem 221