28 February 2022

• curprev 01:0001:00, 28 February 2022 Sootommylee talk contribs 2,029 bytes +64 No edit summary

31 July 2020

• curprev 14:3114:31, 31 July 2020 G8l18m talk contribs m 1,965 bytes +11 →Solution 1

11 February 2020

• curprev 21:0821:08, 11 February 2020 Anmol04 talk contribs m 1,954 bytes +14 →Problem: added latex
• curprev 21:0721:07, 11 February 2020 Anmol04 talk contribs m 1,940 bytes +23 fixed latex and spacing issues

31 March 2018

• curprev 20:0820:08, 31 March 2018 Transcendental-number talk contribs m 1,917 bytes +1 →Solution: Fixed a typo

31 October 2016

• curprev 18:5718:57, 31 October 2016 Moab33 talk contribs 1,916 bytes −45 Undo revision 80834 by Alxz (talk)

28 October 2016

• curprev 23:2523:25, 28 October 2016 Alxz talk contribs m 1,961 bytes +45 Fixed a mistake

4 July 2013

• curprev 23:3423:34, 4 July 2013 Nathan wailes talk contribs 1,916 bytes +15 No edit summary

23 December 2012

• curprev 12:5912:59, 23 December 2012 Gina talk contribs 1,901 bytes +16 No edit summary

30 July 2011

• curprev 15:3815:38, 30 July 2011 Talkinaway talk contribs 1,885 bytes +1,885 Solutions 1 and 2