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