User contributions for Doonie
11 February 2010
- 21:4621:46, 11 February 2010 diff hist 0 m 2010 AMC 12A Problems/Problem 20 No edit summary
29 January 2009
25 January 2009
- 18:1418:14, 25 January 2009 diff hist +14 2005 AMC 12A Problems/Problem 25 Undo revision 29756 by Doonie (Talk)
- 18:1318:13, 25 January 2009 diff hist −14 m 2005 AMC 12A Problems/Problem 25 →Solution 2 (rigorous)
