27 April 2024

• curprev 10:5310:53, 27 April 2024 Icyfire500 talk contribs m 2,063 bytes −5 →Solution 3
• curprev 10:5310:53, 27 April 2024 Icyfire500 talk contribs m 2,068 bytes −15 →Solution 2

15 August 2023

• curprev 17:5017:50, 15 August 2023 Mrthinker talk contribs 2,083 bytes +283 →Solution 3

11 August 2021

• curprev 18:2018:20, 11 August 2021 Putu2003 talk contribs m 1,800 bytes −10 →Solution 3
• curprev 18:0518:05, 11 August 2021 Putu2003 talk contribs m 1,810 bytes −11 →Solution 3

27 June 2021

• curprev 11:0311:03, 27 June 2021 Han2021 talk contribs m 1,821 bytes −1 →Solution 1

30 October 2020

• curprev 04:4004:40, 30 October 2020 Palaashgang talk contribs 1,822 bytes +5 →Solution 3

14 January 2020

• curprev 21:4021:40, 14 January 2020 Rayfish talk contribs m 1,817 bytes +1 No edit summary

23 December 2018

• curprev 01:3501:35, 23 December 2018 R 2 d 2 talk contribs 1,816 bytes +478 →Solution

31 December 2017

• curprev 15:5015:50, 31 December 2017 Pulusona talk contribs m 1,338 bytes +2 →Solution 2
• curprev 15:4915:49, 31 December 2017 Pulusona talk contribs 1,336 bytes +541 →Solution

30 December 2017

• curprev 18:1218:12, 30 December 2017 MathDragon2 talk contribs m 795 bytes +1 →Solution

3 July 2013

• curprev 15:4615:46, 3 July 2013 Viker talk contribs m 794 bytes +15 No edit summary

27 March 2013

• curprev 16:0116:01, 27 March 2013 Bobthesmartypants talk contribs 779 bytes +62 →Solution

21 February 2013

• curprev 17:4517:45, 21 February 2013 JWK750 talk contribs 717 bytes +717 Created page with "==Problem== Let <math> S </math> be the set of sides and diagonals of a regular pentagon. A pair of elements of <math> S </math> are selected at random without replacement. What ..."