Benjamin, Arthur

Secrets of mental math : the mathemagician's guide to lightning calculation and amazing math tricks / Arthur Benjamin, Michael Shermer. - New York : Tree Rivers Press, cop. 2006
. - XV, 278 p. ; 20 cm
978-0-307-33840-2
- Includes bibliographical references and index
Aritmética Mental / Cálculo Mental /
510/BEN/SEC

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