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Communications of the ACM archive
Volume 52 ,  Issue 6  (June 2009) table of contents
One Laptop Per Child: Vision vs. Reality
COLUMN: Last byte table of contents
Pages 103-103  
Year of Publication: 2009
ISSN:0001-0782
Author
Peter Winkler  Dartmouth College, Hanover, NH
Publisher
ACM  New York, NY, USA
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ABSTRACT

Last month (May 2009, p. 112) we posed a trio of brain teasers, including one as yet unsolved, concerning relationships among numbers.