15 January 2020

• 12:5512:55, 15 January 2020 diff hist −49 m 2005 AMC 10A Problems/Problem 12 No edit summary
• 12:5512:55, 15 January 2020 diff hist −49 m 2005 AMC 10A Problems/Problem 11 No edit summary
• 12:5512:55, 15 January 2020 diff hist −49 m 2005 AMC 10A Problems/Problem 10 No edit summary
• 12:5412:54, 15 January 2020 diff hist −49 m 2005 AMC 10A Problems/Problem 9 No edit summary
• 12:5312:53, 15 January 2020 diff hist −49 2005 AMC 10A Problems/Problem 8 No edit summary
• 12:5312:53, 15 January 2020 diff hist −49 2005 AMC 10A Problems/Problem 7 No edit summary
• 12:5212:52, 15 January 2020 diff hist −49 2005 AMC 10A Problems/Problem 6 No edit summary
• 12:5212:52, 15 January 2020 diff hist −49 2005 AMC 10A Problems/Problem 5 No edit summary
• 12:4912:49, 15 January 2020 diff hist −49 2005 AMC 10A Problems/Problem 25 No edit summary
• 00:5000:50, 15 January 2020 diff hist −49 2005 AMC 10A Problems/Problem 4 No edit summary

21 September 2012

• 22:1222:12, 21 September 2012 diff hist +228 2003 AMC 12B Problems →Problem 10
• 20:0020:00, 21 September 2012 diff hist +20 2003 AMC 12B Problems →Problem 10
• 19:4419:44, 21 September 2012 diff hist +433 2003 AMC 12B Problems →Problem 10

20 April 2012

• 21:0621:06, 20 April 2012 diff hist 0 2011 AIME II Problems/Problem 6 →Solution 2

17 May 2007

• 16:3116:31, 17 May 2007 diff hist +18 m 2007 USAMO Problems/Problem 4 →Solution 1