User contributions
- 19:59, 31 January 2020 (diff | hist) . . (+65) . . N 2020 AMC 10A Problems/Problem 15 (Created page with "What is the probability that a factor of 12! is a perfect square.")
- 15:38, 22 December 2019 (diff | hist) . . (+310) . . 2004 AMC 10B Problems/Problem 18 (→Solution 3)
