25 August 2018

• 14:1714:17, 25 August 2018 diff hist +1 m 2007 AMC 12A Problems/Problem 25 →Typo

1 August 2018

• 12:3712:37, 1 August 2018 diff hist −48 2000 AIME I Problems/Problem 4 Removed erroneous statement that, even if fixed, wouldn't add anything to the solution

21 March 2016

• 10:3710:37, 21 March 2016 diff hist −1 m 2016 AMC 12A Problems/Problem 7 →Solution 2
• 10:3510:35, 21 March 2016 diff hist −5 m 2016 AMC 10A Problems/Problem 9 →Solution
• 10:2910:29, 21 March 2016 diff hist 0 2016 AMC 10A Problems/Problem 7 →Check

4 February 2016

• 23:5223:52, 4 February 2016 diff hist 0 m 2016 AMC 12A Problems/Problem 20 →Solution: typo