User contributions
- 19:18, 21 February 2014 (diff | hist) . . (+15) . . 2014 AMC 12B Problems/Problem 21 (→Solution1)
- 19:17, 21 February 2014 (diff | hist) . . (+22) . . 2014 AMC 12B Problems/Problem 21 (→Solution1)
- 19:16, 21 February 2014 (diff | hist) . . (+3) . . 2014 AMC 12B Problems/Problem 21 (→Solution1)
- 19:15, 21 February 2014 (diff | hist) . . (+895) . . 2014 AMC 12B Problems/Problem 21 (→Solution)