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1974 AHSME Problems/Problem 6: Revision history

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5 July 2013

30 May 2012

26 May 2012

  • curprev 16:3416:34, 26 May 2012 Admin25 talk contribs 1,305 bytes +1,305 Created page with "==Problem== For positive real numbers <math> x </math> and <math> y </math> define <math> x*y=\frac{x\cdot y}{x+y} </math>' then <math> \mathrm{(A)\ } \text{``*" is commutative ..."
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