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Problems for Year 21 (2009-2010)

Click to download the Round 4 problems
Submission Deadline: March 08, 2010
Web deadline: 3 PM Eastern / Noon Pacific on the due date
Mail deadline: Postmarked on or before the due date

Remember to fully justify all your answers - don't just send numerical answers.

Read the complete rules to learn more about how to submit your solutions.

Past rounds and solutions:

You can also check out past years' USAMTS problems.

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