12 October 2025

• curprev 22:2822:28, 12 October 2025 Yuhao2012 talk contribs 2,605 bytes −8 →Solution 3 (Using the Answer Choices)
• curprev 22:2822:28, 12 October 2025 Yuhao2012 talk contribs 2,613 bytes +27 →Solution 3
• curprev 22:2822:28, 12 October 2025 Yuhao2012 talk contribs 2,586 bytes +2 →Solution
• curprev 22:2722:27, 12 October 2025 Yuhao2012 talk contribs 2,584 bytes +715 No edit summary

2 June 2025

• curprev 16:3716:37, 2 June 2025 Mrmatthewzhang talk contribs m 1,869 bytes −3 →Solution

2 January 2025

• curprev 10:5510:55, 2 January 2025 Imgreatatmath talk contribs m 1,872 bytes −1 →Solution

15 July 2024

• curprev 10:3110:31, 15 July 2024 Forest3g talk contribs 1,873 bytes −68 →Video Solution 2

3 January 2024

• curprev 22:1722:17, 3 January 2024 Aryajb2013 talk contribs m 1,941 bytes 0 →Soultion 2 (Alternative approach)

21 May 2023

• curprev 10:5010:50, 21 May 2023 Icyfire500 talk contribs 1,941 bytes +6 →Video Solution by OmegaLearn
• curprev 10:5010:50, 21 May 2023 Icyfire500 talk contribs 1,935 bytes −13 →Soultion 2 (Alternative approach)
• curprev 10:4910:49, 21 May 2023 Icyfire500 talk contribs 1,948 bytes +36 →Soultion 2 (Alternative approach)

13 May 2023

• curprev 07:1907:19, 13 May 2023 Savannahsolver talk contribs 1,912 bytes +76 No edit summary

31 December 2022

• curprev 17:0017:00, 31 December 2022 Pi is 3.14 talk contribs m 1,836 bytes +12 →Video Solution

8 October 2022

• curprev 22:4422:44, 8 October 2022 Sootommylee talk contribs 1,824 bytes +70 No edit summary

28 February 2022

• curprev 20:3120:31, 28 February 2022 Rabbit317 talk contribs 1,754 bytes +779 →Solution

27 January 2021

• curprev 22:2822:28, 27 January 2021 Pi is 3.14 talk contribs 975 bytes +72 →Solution

9 November 2018

• curprev 23:0823:08, 9 November 2018 Thalassic talk contribs m 903 bytes +14 →Solution

13 September 2015

• curprev 17:1217:12, 13 September 2015 Benq talk contribs 889 bytes 0 No edit summary

5 July 2013

• curprev 01:0301:03, 5 July 2013 Nathan wailes talk contribs 889 bytes +15 No edit summary

4 November 2012

• curprev 18:1418:14, 4 November 2012 Mathway talk contribs 874 bytes +12 No edit summary

25 November 2011

• curprev 19:4519:45, 25 November 2011 Gina talk contribs 862 bytes +449 No edit summary
• curprev 18:3418:34, 25 November 2011 Yrushi talk contribs 413 bytes +413 Problem 21