Art of Problem Solving
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2007 iTest Problems/Problem 49: Revision history

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20 August 2024

1 February 2020

7 October 2014

  • curprev 22:0322:03, 7 October 2014 Timneh talk contribs 181 bytes +181 Created page with "== Problem == How many <math>7</math>-element subsets of <math>\{1, 2, 3,\ldots , 14\}</math> are there, the sum of whose elements is divisible by <math>14</math>? == Solution =="