6 June 2025

• curprev 12:3912:39, 6 June 2025 Aoum talk contribs 901 bytes +44 →Categorized problem

21 January 2025

• curprev 06:4606:46, 21 January 2025 Ezlx talk contribs 857 bytes −30 →Video Solution (CRITICAL THINKING!!!)

13 January 2025

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• curprev 15:0615:06, 13 January 2025 Charking talk contribs m 885 bytes −55 →Video Solution by OmegaLearn: Fix link

25 December 2023

• curprev 17:3517:35, 25 December 2023 Nanaj talk contribs 940 bytes +37 →Video Solution by OmegaLearn
• curprev 17:3417:34, 25 December 2023 Nanaj talk contribs m 903 bytes −1 →Problem
• curprev 17:3417:34, 25 December 2023 Nanaj talk contribs m 904 bytes +1 →Problem

29 March 2023

• curprev 20:1520:15, 29 March 2023 Thestudyofeverything talk contribs 903 bytes +110 →Video Solution by OmegaLearn

16 January 2023

• curprev 02:4602:46, 16 January 2023 Pi is 3.14 talk contribs 793 bytes +86 →Video Solution

31 December 2022

• curprev 03:2603:26, 31 December 2022 Saxstreak talk contribs m 707 bytes +1 →Solution

18 February 2022

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5 January 2022

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18 January 2021

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23 December 2018

• curprev 18:3118:31, 23 December 2018 Tiblis talk contribs 630 bytes +2 →Solution

22 November 2018

• curprev 15:4215:42, 22 November 2018 Kc5170 talk contribs m 628 bytes +17 →Solution

21 November 2018

• curprev 18:5318:53, 21 November 2018 Ben chen talk contribs m 611 bytes +28 No edit summary
• curprev 13:1113:11, 21 November 2018 Ben chen talk contribs 583 bytes +210 No edit summary
• curprev 10:5810:58, 21 November 2018 Anishanne talk contribs 373 bytes +40 →Problem 10
• curprev 09:4909:49, 21 November 2018 Hong2021 talk contribs 333 bytes −7 →Problem 10
• curprev 09:4809:48, 21 November 2018 Anishanne talk contribs 340 bytes +340 Created page with "==Problem 10== The [i]harmonic mean[/i] of a set of non-zero numbers is the reciprocal of the average of the reciprocals of the numbers. What is the harmonic mean of 1, 2, and..."