27 October 2022

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1 August 2019

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3 July 2013

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25 February 2010

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11 February 2010

• curprev 12:1512:15, 11 February 2010 Stargroup talk contribs 740 bytes +740 Created page with '== Problem 10 == The first four terms of an arithmetic sequence are <math>p</math>, <math>9</math>, <math>3p-q</math>, and <math>3p+q</math>. What is the <math>2010^\text{th}</ma…'