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Problems
Contests
National and Regional Contests
Russia Contests
All-Russian Olympiad
1992 All Soviet Union Mathematical Olympiad
562
562
Part of
1992 All Soviet Union Mathematical Olympiad
Problems
(1)
ASU 562 Commonwealth of Independent States 1992 4-digit not multiple 1992
Source:
8/14/2019
Does there exist a
4
4
4
-digit integer which cannot be changed into a multiple of
1992
1992
1992
by changing
3
3
3
of its digits?
number theory
divisible
4-digit