15 April 2020

• 23:2223:22, 15 April 2020 diff hist 0 1990 AIME Problems/Problem 2 →Solution 1

4 February 2018

• 13:5013:50, 4 February 2018 diff hist +1 1993 AHSME Problems/Problem 7 →Problem

11 September 2017

• 07:3207:32, 11 September 2017 diff hist +122 2017 AMC 12A Problems/Problem 22 →Problem

10 September 2017

• 00:5100:51, 10 September 2017 diff hist +144 2017 AMC 12B Problems/Problem 6 →Problem 6

25 June 2016

• 10:5610:56, 25 June 2016 diff hist −5 1992 AHSME Answer Key No edit summary
• 10:5310:53, 25 June 2016 diff hist +5 1992 AHSME Answer Key No edit summary
• 10:5310:53, 25 June 2016 diff hist 0 1992 AHSME Answer Key No edit summary