This edition is published by the American Mathematical Society
under license from Friedr. Vieweg & Sohn Verlag.
Originally published in the German language
by Friedr. Vieweg & Sohn Verlag, 65189 Wiesbaden, Germany,
as “Ehrhard Behrends: F¨ unf Minuten Mathematik.
Friedr. Vieweg & Sohn Verlag|GWV Fachverlage GmbH,
Translated by David Kramer
2000 Mathematics Subject Classiﬁcation. Primary 00A06, 00A08.
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Library of Congress Cataloging-in-Publication Data
Behrends, Ehrhard, 1946–
[F¨ unf Minuten Mathematik. English]
Five-minute mathematics / Ehrhard Behrends ; translated by David Kramer.
ISBN 978-0-8218-4348-2 (alk. paper)
1. Mathematics—Popular works. 2. Mathematical recreations. I. Title.
QA93 .B4413 2008
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