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National and Regional Contests
Russia Contests
Moscow Mathematical Olympiad
1952 Moscow Mathematical Olympiad
227
227
Part of
1952 Moscow Mathematical Olympiad
Problems
(1)
MMO 227 Moscow MO 1952 99 straight lines divide a plane into n parts
Source:
8/8/2019
99
99
99
straight lines divide a plane into
n
n
n
parts. Find all possible values of
n
n
n
less than
199
199
199
.
combinatorial geometry
Plane
lines in plane