User contributions
- 00:34, 25 December 2007 (diff | hist) . . (-1) . . 2005 AMC 12A Problems/Problem 20 (→Solution)
- 00:34, 25 December 2007 (diff | hist) . . (-163) . . 2005 AMC 12A Problems/Problem 20
- 00:33, 25 December 2007 (diff | hist) . . (-15) . . 2005 AMC 12A Problems/Problem 20
- 00:30, 25 December 2007 (diff | hist) . . (+8) . . 2005 AMC 12A Problems/Problem 20 (→See also)
- 00:28, 25 December 2007 (diff | hist) . . (+431) . . 2005 AMC 12A Problems/Problem 20 (→See also)