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2007 iTest Problems/Problem 33: Revision history

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14 June 2018

7 October 2014

  • curprev 21:5521:55, 7 October 2014 Timneh talk contribs 177 bytes +177 Created page with "== Problem == How many <math>\textit{odd}</math> four-digit integers have the property that their digits, read left to right, are in strictly decreasing order? == Solution =="
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