User contributions
- 11:43, 3 February 2014 (diff | hist) . . (+74) . . N Talk:2010 AMC 10A Problems/Problem 22 (Created page with "the second solution is not reasonable: there are 8 x 5 / 2 = 20 diagonals.") (current)
- 11:39, 3 February 2014 (diff | hist) . . (0) . . m 2010 AMC 10A Problems (→Problem 21)
