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1990 All Soviet Union Mathematical Olympiad
513
513
Part of
1990 All Soviet Union Mathematical Olympiad
Problems
(1)
ASU 513 All Soviet Union MO 1990 graph, 30 points, each point has 6 edges
Source:
8/14/2019
A graph has
30
30
30
points and each point has
6
6
6
edges. Find the total number of triples such that each pair of points is joined or each pair of points is not joined.
graph
combinatorics
combinatorial geometry
points
edges