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Shifty

http://books.google.com/books?id=mUc4AAAAMAAJ&printsec=frontcover&rview=1&source=gbs_atb#v=onepage&q&f=false

A paradox by Sam Loyd. The figure on the left, measuring 8×8, can be reassembled into the figure on the right, measuring 7×9. Therefore 64 = 63.

October 4, 2010October 3, 2010 | Science & Math

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Futility Closet is a collection of entertaining curiosities in history, literature, language, art, philosophy, and mathematics, designed to help you waste time as enjoyably as possible.

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