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2007 iTest Problems/Problem 13: Revision history

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4 October 2014

  • curprev 22:0322:03, 4 October 2014 Timneh talk contribs 434 bytes +434 Created page with "== Problem == What is the smallest positive integer <math>k</math> such that the number <math>{{2k}\choose k}</math> ends in two zeros? <math>\text{(A) } 3 \quad \text{(B) } 4 ..."
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