Magic coin: Revision history

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13 July 2013

11 July 2013

  • curprev 14:5214:52, 11 July 2013‎ Oscarlevin talk contribs‎ 805 bytes +805‎ Created page with "This puzzle is a modification of a problem from the William Lowell Putnam Mathematics Competition. ==Puzzle== A particular magic coin has the following strange property: on ..."
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