27 February 2020

• curprev 23:1323:13, 27 February 2020 Ccx09 talk contribs m 7,706 bytes +1 →Solution 2

4 January 2019

• curprev 11:1611:16, 4 January 2019 Blacksheep2003 talk contribs 7,705 bytes +125 →Alternative Solution 1
• curprev 11:0611:06, 4 January 2019 Blacksheep2003 talk contribs 7,580 bytes +46 →Alternative Solution 1

3 January 2019

• curprev 21:2621:26, 3 January 2019 Blacksheep2003 talk contribs 7,534 bytes +9 →Alternative Solution 1
• curprev 21:2421:24, 3 January 2019 Blacksheep2003 talk contribs 7,525 bytes +40 →Alternative Solution 1
• curprev 21:2221:22, 3 January 2019 Blacksheep2003 talk contribs 7,485 bytes −55 →Alternative Solution 1
• curprev 21:1921:19, 3 January 2019 Blacksheep2003 talk contribs 7,540 bytes −42 →Alternative Solution 1
• curprev 21:1821:18, 3 January 2019 Blacksheep2003 talk contribs 7,582 bytes +14 No edit summary
• curprev 21:1721:17, 3 January 2019 Blacksheep2003 talk contribs 7,568 bytes +731 No edit summary

25 August 2018

• curprev 03:2403:24, 25 August 2018 V Enhance talk contribs 6,837 bytes −833 Delete the obviously wrong sol3

16 April 2018

• curprev 17:1417:14, 16 April 2018 Expilncalc talk contribs 7,670 bytes 0 No edit summary
• curprev 17:1217:12, 16 April 2018 Expilncalc talk contribs 7,670 bytes +835 Added solution.

4 August 2016

• curprev 07:4307:43, 4 August 2016 CurryinaHurry talk contribs m 6,835 bytes +3 →Solution

19 July 2016

• curprev 07:2107:21, 19 July 2016 1=2 talk contribs m 6,832 bytes +81 No edit summary

24 April 2016

• curprev 22:2522:25, 24 April 2016 Shaddoll talk contribs 6,751 bytes +2,429 →Solution

21 April 2016

• curprev 16:1016:10, 21 April 2016 Benq talk contribs 4,322 bytes +58 No edit summary
• curprev 16:0516:05, 21 April 2016 Benq talk contribs 4,264 bytes +4,264 Created page with "== Problem == Find all functions <math>f:\mathbb{R}\rightarrow \mathbb{R}</math> such that for all real numbers <math>x</math> and <math>y</math>, <cmath>(f(x)+xy)\cdot f(x-3y..."