30 October 2016

• 22:2622:26, 30 October 2016 diff hist −9 1998 AIME Problems/Problem 9 No edit summary

16 July 2015

• 19:3719:37, 16 July 2015 diff hist −2 2003 AIME II Problems No edit summary

5 February 2015

• 14:3514:35, 5 February 2015 diff hist +1 2011 AMC 12B Problems/Problem 20 →Solution 1
• 14:3514:35, 5 February 2015 diff hist +17 2011 AMC 12B Problems/Problem 20 →Solution 1

2 February 2015

• 15:5815:58, 2 February 2015 diff hist +5 2010 AMC 12B Problems/Problem 19 →Solution
• 15:5715:57, 2 February 2015 diff hist 0 2010 AMC 12B Problems/Problem 19 →Solution
• 13:3013:30, 2 February 2015 diff hist +1 m 2010 AMC 12B Problems →Problem 14
• 13:1413:14, 2 February 2015 diff hist 0 2010 AMC 12B Problems →Problem 5

1 February 2015

• 23:4523:45, 1 February 2015 diff hist 0 2010 AMC 12A Problems No edit summary

11 June 2014

• 18:5718:57, 11 June 2014 diff hist +29 2002 AMC 12B Problems/Problem 20 No edit summary

20 April 2014

• 18:4518:45, 20 April 2014 diff hist +498 2005 AMC 10B Problems/Problem 25 →Solution
• 18:3218:32, 20 April 2014 diff hist −1 m 2005 AMC 10B Problems/Problem 24 →Solution
• 18:1518:15, 20 April 2014 diff hist +9 2005 AMC 10B Problems/Problem 21 →Solution (where the order of drawing slips matters)