19 October 2025

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9 August 2024

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18 January 2020

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8 February 2014

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4 July 2013

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8 December 2012

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25 February 2012

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23 February 2012

• curprev 22:4422:44, 23 February 2012 Rguan talk contribs 855 bytes +855 Created page with "== Problem 6 == In order to estimate the value of x-y where x and y are real numbers with x > y > 0, Xiaoli rounded x up by a small amount, rounded y down by the same amount, an..."