19 November 2023

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29 August 2022

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• curprev 12:5212:52, 29 August 2022 Vvsss talk contribs 4,277 bytes +56 →Solution
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• curprev 11:0711:07, 29 August 2022 Vvsss talk contribs 1,874 bytes +1,170 →Problem

1 April 2021

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25 June 2020

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11 June 2020

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26 May 2020

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• curprev 22:3122:31, 26 May 2020 Ultraman talk contribs m 618 bytes +235 →Problem
• curprev 22:2722:27, 26 May 2020 Ultraman talk contribs 383 bytes +383 Created page with "==Problem== Let I be the incentre of acute triangle ABC with AB ̸= AC. The incircle ω of ABC is tangent to sides BC, CA, and AB at D, E, and F, respectively. The line throug..."