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1990 USAMO

From AoPSWiki

The 19th USAMO took place April 24, 1990. The time limit was three and a half hours, and total scores were out of 100 points.

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1990 USAMO (Problems)
Preceded by
1989 USAMO
1 2 3 4 5 Followed by
1991 USAMO
All USAMO Problems and Solutions
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