19 November 2023

• curprev 00:1800:18, 19 November 2023 Tomasdiaz talk contribs 5,534 bytes +11 →See Also

24 October 2021

• curprev 21:5521:55, 24 October 2021 Fractals talk contribs 5,523 bytes −2,090 Solution 2 is wrong.

23 November 2016

• curprev 18:5518:55, 23 November 2016 Incircumorthocentroid talk contribs 7,613 bytes +96 →Solution 2
• curprev 18:5418:54, 23 November 2016 Incircumorthocentroid talk contribs 7,517 bytes +2,090 →Solution

26 September 2013

• curprev 16:1016:10, 26 September 2013 Colinhy talk contribs 5,427 bytes +4,887 No edit summary

10 July 2012

• curprev 12:0412:04, 10 July 2012 JBL talk contribs m 540 bytes −52 No edit summary

23 July 2009

• curprev 05:3305:33, 23 July 2009 Bugi talk contribs 592 bytes +592 Created page with '== Problem == Let <math>a_1,a_2,\ldots,a_n</math> be distinct positive integers and let <math>M</math> be a set of <math>n-1</math> positive integers not containing <math>s=a_1+…'