USAMO Winners and Supporters

摘要

The United States of America Mathematics Olympiad (USAMO) is part of a worldwide system of national mathematics competitions. It is a six-question, two-day, nine-hour essay/proof examination. All problems can be solved with pre-calculus methods. Approximately 500 of the top-scoring America Mathematics Olympiad participants (based on a weighted average) are invited to take the USAMO.