Practice Geometry Proofs Using Langley s Problem: Forty-Four Solutions to the World's Hardest Easy Geometry Problem

Chen, Yongcheng

ISBN 10: 1797648861 ISBN 13: 9781797648866
Published by Independently published, 2019
Language: English
Condition: New Soft cover

Sold by Revaluation Books, Exeter, United Kingdom

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New - Soft cover

Condition: New

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