29 November 2020

• 16:3416:34, 29 November 2020 diff hist 0 1976 AHSME Problems/Problem 1 →Solution current
• 09:1909:19, 29 November 2020 diff hist +14 Mock AIME 1 2005-2006/Problem 7 →Solution

31 October 2020

• 19:1019:10, 31 October 2020 diff hist +4 1998 JBMO Problems →Problem 4 current

29 April 2020

• 10:3010:30, 29 April 2020 diff hist +13 2018 AIME I Problems/Problem 5 →Solution 2
• 10:2810:28, 29 April 2020 diff hist +8 2018 AIME I Problems/Problem 5 →Solution 2
• 10:2710:27, 29 April 2020 diff hist +28 2018 AIME I Problems/Problem 5 →Solution 2

19 April 2020

• 15:3015:30, 19 April 2020 diff hist +4 2020 AMC 10A Problems/Problem 19 →See Also

18 April 2020

• 18:2818:28, 18 April 2020 diff hist +16 1964 AHSME Problems/Problem 36 →See Also current
• 18:2118:21, 18 April 2020 diff hist +15 1964 AHSME Problems/Problem 35 →See Also
• 18:2018:20, 18 April 2020 diff hist +85 1964 AHSME Problems/Problem 35 →See Also