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  • The Coach’s Corner
  • Chengde Feng (bio)
Chengde Feng

Mr. Feng teaches mathematics at the Oklahoma School of Science and Mathematics (OSSM) and has coached many students who have competed successfully in mathematics contests in China and the U.S. In this column, Mr. Feng offers Imagine readers questions designed to improve their problem-solving skills.

Copyright © 1997 The Johns Hopkins University
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