4 May 2021

• curprev 01:2901:29, 4 May 2021 Etvat talk contribs 4,468 bytes −5 No edit summary

3 December 2019

• curprev 00:3600:36, 3 December 2019 Alexlikemath talk contribs 4,473 bytes +644 →Solution

4 July 2013

• curprev 19:0419:04, 4 July 2013 Nathan wailes talk contribs 3,829 bytes +15 No edit summary

13 November 2011

• curprev 22:2122:21, 13 November 2011 Baijiangchen talk contribs 3,814 bytes −451 →Solution 2
• curprev 22:1922:19, 13 November 2011 Baijiangchen talk contribs m 4,265 bytes +12 →Solution 2
• curprev 22:1922:19, 13 November 2011 Baijiangchen talk contribs m 4,253 bytes 0 →Solution 2
• curprev 22:1722:17, 13 November 2011 Baijiangchen talk contribs m 4,253 bytes +7 →Solution 1
• curprev 22:1622:16, 13 November 2011 Baijiangchen talk contribs m 4,246 bytes +441 →Solution 2

4 March 2007

• curprev 15:3515:35, 4 March 2007 Azjps talk contribs 3,805 bytes +851 solution w/ slightly less math involved
• curprev 15:2315:23, 4 March 2007 Azjps talk contribs 2,954 bytes +91 breakup huge equation, which is showing up poorly on my screen, box, alternative

17 January 2007

• curprev 13:0213:02, 17 January 2007 JBL talk contribs m 2,863 bytes 0 No edit summary
• curprev 12:5812:58, 17 January 2007 JBL talk contribs 2,863 bytes +1,980 No edit summary

12 October 2006

• curprev 16:2116:21, 12 October 2006 JBL talk contribs m 883 bytes +218 No edit summary

8 July 2006

• curprev 22:0922:09, 8 July 2006 Joml88 talk contribs 665 bytes +665 No edit summary