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Moscow Mathematical Olympiad
1947 Moscow Mathematical Olympiad
135-
135-
Part of
1947 Moscow Mathematical Olympiad
Problems
(1)
MMO 135- Moscow MO 1947 4 points on plane, different distances
Source:
3/17/2021
Position the
4
4
4
points on plane so that when measuring of all pairwise distances between them, it turned out only two different numbers. Find all such locations.
geometry
combinatorial geometry