« Vrati se
(USS 5) Given 5 points in the plane, no three of which are collinear, prove that we can choose 4 points among them that form a convex quadrilateral.

Slični zadaci

#NaslovOznakeRj.KvalitetaTežina
1334IMO Shortlist 1969 problem 40
1346IMO Shortlist 1969 problem 160
1357IMO Shortlist 1969 problem 270
1380IMO Shortlist 1969 problem 500
1400IMO Shortlist 1969 problem 700
1979IMO Shortlist 1997 problem 230