$Secrets of mental math the mathemagician's guide to lightning calculation and amazing math tricks$
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Secrets of mental math the mathemagician's guide to lightning calculation and amazing math tricks

书目详细资料
主要作者:	Benjamin, Arthur
其他作者:	Shermer, Michael
格式:	图书
语言:	English
出版:	New York Three Rivers Press c2006.
主题:	Mental arithmetic > Study and teaching. Magic tricks in mathematics education. Mental calculators.
在线阅读:	Table of contents only