Art of Problem Solving

2013 UNCO Math Contest II Problems/Problem 6: Revision history

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13 January 2019

19 October 2014

16 October 2014

  • curprev 14:1214:12, 16 October 2014 Timneh talk contribs 799 bytes +799 Created page with "== Problem == There is at least one Friday the Thirteenth in every year. (a) What is the latest possible month in which the first Friday the Thirteenth can occur? (b) In a yea..."