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- ...anctions resulting from the Soviet invasion of Afghanistan, there was no [[IMO]]. Many other international events, such as the Olympic Games, were also c * [[1980 Replacement IMO Problems]]968 bytes (126 words) - 17:50, 4 July 2024
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- {{Contest Info|name=IMO |region=International|type=Proof|difficulty=5.5 - 10|breakdown=<u>Problem 1 ...astern European countries. Since then, it has been held every year (except 1980) and has evolved into the premier international competition in mathematics.3 KB (485 words) - 03:31, 3 February 2025
- ...ing countries of the problems of the [[International Mathematical Olympiad|IMO]]. * [[1959 IMO]] (in Romania)36 KB (4,083 words) - 21:48, 8 December 2024
- Problems from the [[IMO Shortlist]]s, by year: * [[1973 IMO Shortlist Problems | 1973]]2 KB (177 words) - 09:19, 23 June 2023
- ...anctions resulting from the Soviet invasion of Afghanistan, there was no [[IMO]]. Many other international events, such as the Olympic Games, were also c * [[1980 Replacement IMO Problems]]968 bytes (126 words) - 17:50, 4 July 2024
- The 22nd [[IMO]] occurred in 1981 in Washington D.C., the United States of America. Twent * [[1981 IMO Problems]]893 bytes (100 words) - 17:51, 4 July 2024
- '''1979 [[IMO]]''' problems and solutions. The first link contains the full set of test p *[[1979 IMO Problems|Entire Test]]633 bytes (71 words) - 11:13, 20 April 2012
- Problems of the 21st [[IMO]] 1979 in the United Kingdom. [[1979 IMO Problems/Problem 1|Solution]]3 KB (448 words) - 11:07, 14 June 2024
- 3333=f(9999)\geq 5f(1980)+33f(3)=5f(1980)+33\quad\Longrightarrow\quad f(1980)\leq 660 ...\geq 660f(3)=660</math>, so combine the two inequalities we obtain <math>f(1980)=660</math>. Finally, write4 KB (698 words) - 23:17, 29 January 2021
