BY MARTIN GARDNER Here is an amazing coincidence with cards that was discovered by Colm Mulcahy, an Associate Professor of Mathematics at Spelman College in Atlanta, Georgia. It is a great trick to teach a child. He or - Mulcahy - Document - PDFSEARCH.IO

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	BY MARTIN GARDNER Here is an amazing coincidence with cards that was discovered by Colm Mulcahy, an Associate Professor of Mathematics at Spelman College in Atlanta, Georgia. It is a great trick to teach a child. He or Add to Reading List Document Date: 2014-09-29 19:38:14 Open Document File Size: 1,41 MB Share Result on Facebook

BY MARTIN GARDNER Here is an amazing coincidence with cards that was discovered by Colm Mulcahy, an Associate Professor of Mathematics at Spelman College in Atlanta, Georgia. It is a great trick to teach a child. He or Add to Reading List