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Problem Books

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The Problem Books book series by multiple authors includes books The Contest Problem Book VII: American Mathematics Competitions, 1995-2000 Contests, A Friendly Mathematics Competition: 35 Years of Teamwork in Indiana, Trigonometry: A Clever Study Guide (Problem Books), and several more. See the complete Problem Books series book list in order, box sets or omnibus editions, and companion titles.
10 Books
Aha! Solutions - Book of the Problem Books

Aha! Solutions

Martin J. Erickson
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