User contributions
- 23:34, 24 December 2007 (diff | hist) . . (-1) . . 2005 AMC 12A Problems/Problem 20 (→Solution)
- 23:34, 24 December 2007 (diff | hist) . . (-163) . . 2005 AMC 12A Problems/Problem 20
- 23:33, 24 December 2007 (diff | hist) . . (-15) . . 2005 AMC 12A Problems/Problem 20
- 23:30, 24 December 2007 (diff | hist) . . (+8) . . 2005 AMC 12A Problems/Problem 20 (→See also)
- 23:28, 24 December 2007 (diff | hist) . . (+431) . . 2005 AMC 12A Problems/Problem 20 (→See also)
