5 February 2018

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18 July 2016

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3 July 2013

• curprev 19:4319:43, 3 July 2013 Etude talk contribs 1,918 bytes +15 No edit summary

15 May 2012

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24 July 2011

• curprev 14:3814:38, 24 July 2011 Dragon96 talk contribs 1,820 bytes +1,820 Created page with "==Problem 1== The repeating decimal <math>0.ab\cdots k\overline{pq\cdots u}=\frac mn</math>, where <math>m</math> and <math>n</math> are relatively prime integers, and there is a..."