Difference between revisions of "1991 USAMO"
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| − | The '''20th [[USAMO]]''' occurred April 23, 1991. There were five problems, and the time limit was three and a half hours. | + | The '''20th [[USAMO]]''' occurred April 23, 1991. There were five problems, and the time limit was three and a half hours. The first link contains the full set of test problems. The rest contain each individual problem and its solution. |
| − | * [[1991 USAMO Problems]] | + | * [[1991 USAMO Problems|Entire Test]] |
| − | * [[1991 USAMO Problems/Problem 1 | Problem 1]] | + | ** [[1991 USAMO Problems/Problem 1|Problem 1]] |
| − | * [[1991 USAMO Problems/Problem 2 | Problem 2]] | + | ** [[1991 USAMO Problems/Problem 2|Problem 2]] |
| − | * [[1991 USAMO Problems/Problem 3 | Problem 3]] | + | ** [[1991 USAMO Problems/Problem 3|Problem 3]] |
| − | * [[1991 USAMO Problems/Problem 4 | Problem 4]] | + | ** [[1991 USAMO Problems/Problem 4|Problem 4]] |
| − | * [[1991 USAMO Problems/Problem 5 | Problem 5]] | + | ** [[1991 USAMO Problems/Problem 5|Problem 5]] |
| − | == | + | == See Also == |
| + | * [[Mathematics competitions]] | ||
| + | * [[Mathematics competition resources]] | ||
| + | * [[Math books]] | ||
| + | * [[USAMO]] | ||
{{USAMO box|year=1991|before=[[1990 USAMO]]|after=[[1992 USAMO]]}} | {{USAMO box|year=1991|before=[[1990 USAMO]]|after=[[1992 USAMO]]}} | ||
Revision as of 12:02, 16 May 2012
The 20th USAMO occurred April 23, 1991. There were five problems, and the time limit was three and a half hours. The first link contains the full set of test problems. The rest contain each individual problem and its solution.
See Also
| 1991 USAMO (Problems • Resources) | ||
| Preceded by 1990 USAMO |
Followed by 1992 USAMO | |
| 1 • 2 • 3 • 4 • 5 | ||
| All USAMO Problems and Solutions | ||
