IMO Shortlist 1967 problem 1
Dodao/la:
arhiva2. travnja 2012. Prove that a tetrahedron with just one edge length greater than

has volume at most
%V0
Prove that a tetrahedron with just one edge length greater than $1$ has volume at most $\frac{1}{8}.$
Izvor: Međunarodna matematička olimpijada, shortlist 1967