User contributions for Takashi
7 March 2009
- 11:4711:47, 7 March 2009 diff hist +13 N 2009 AMC 10B Problems/Problem 20 New page: i think its B
4 March 2009
- 16:3816:38, 4 March 2009 diff hist +28 N 2009 AMC 10B Problems/Problem 13 New page: the answer is C i think....