26 August 2024

• curprev 16:4116:41, 26 August 2024 Clarkculus talk contribs 5,202 bytes +411 →Solution

3 July 2023

• curprev 14:2714:27, 3 July 2023 Awarner10 talk contribs 4,791 bytes +1 →Alternative Thinking
• curprev 14:2614:26, 3 July 2023 Awarner10 talk contribs 4,790 bytes +18 →Alternative Thinking

23 November 2020

• curprev 21:2521:25, 23 November 2020 Math31415926535 talk contribs 4,772 bytes −1,670 →Solution 3
• curprev 21:2421:24, 23 November 2020 Math31415926535 talk contribs 6,442 bytes +1,669 →Solution 2

3 August 2020

• curprev 17:1717:17, 3 August 2020 Jjmath123 talk contribs m 4,773 bytes +109 →Solution 1
• curprev 17:1617:16, 3 August 2020 Jjmath123 talk contribs m 4,664 bytes +67 →Solution 1

2 August 2020

• curprev 12:2912:29, 2 August 2020 Theasian talk contribs 4,597 bytes 0 →Alternative Thinking
• curprev 12:2912:29, 2 August 2020 Theasian talk contribs 4,597 bytes +8 →Alternative Thinking
• curprev 12:2812:28, 2 August 2020 Theasian talk contribs 4,589 bytes −1 →Alternative Thinking
• curprev 12:2612:26, 2 August 2020 Theasian talk contribs 4,590 bytes +1,719 No edit summary

19 November 2017

• curprev 20:5120:51, 19 November 2017 Vivianxdong821 talk contribs m 2,871 bytes −201 →Solution 3

8 November 2017

• curprev 19:3319:33, 8 November 2017 Ccx09 talk contribs m 3,072 bytes +4 →Solution 3

6 February 2017

• curprev 18:3218:32, 6 February 2017 Flyingcucumber talk contribs 3,068 bytes +197 →Solution

3 July 2013

• curprev 20:4820:48, 3 July 2013 Nathan wailes talk contribs 2,871 bytes +15 →See also

25 February 2010

• curprev 22:3222:32, 25 February 2010 Azjps talk contribs m 2,856 bytes +138 Semi-automated contest formatting - script by azjps

16 February 2010

• curprev 07:4607:46, 16 February 2010 Misof talk contribs 2,718 bytes +1,182 →Solution

11 February 2010

• curprev 21:4621:46, 11 February 2010 Doonie talk contribs m 1,536 bytes 0 No edit summary

10 February 2010

• curprev 20:4120:41, 10 February 2010 Stargroup talk contribs 1,536 bytes +1,536 Created page with '== Problem 20 == Arithmetic sequences <math>\left(a_n\right)</math> and <math>\left(b_n\right)</math> have integer terms with <math>a_1=b_1=1<a_2 \le b_2</math> and <math>a_n b_n…'