Art of Problem Solving
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2001 AMC 12 Problems/Problem 6: Revision history

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  • curprev 13:3313:33, 16 February 2008 Brut3Forc3 talk contribs 1,538 bytes +1,538 New page: == Problem == A telephone number has the form <math>\text{ABC-DEF-GHIJ}</math>, where each letter represents a different digit. The digits in each part of the number are in decreasing orde...