19 January 2021

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25 March 2017

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16 December 2016

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15 December 2016

• curprev 12:3112:31, 15 December 2016 E power pi times i talk contribs 626 bytes +626 Created page with "Let <math>a_1, a_2, \ldots</math> and <math>b_1, b_2, \ldots</math> be arithmetic progressions such that <math>a_1 = 25, b_1 = 75</math>, and <math>a_{100} + b_{100} = 100</ma..."