# User contributions

- 22:47, 4 July 2011 (diff | hist) . . (+231) . . AoPS Wiki talk:Problem of the Day/July 5, 2011
- 01:36, 4 July 2011 (diff | hist) . . (+207) . . AoPS Wiki talk:Problem of the Day/July 4, 2011
- 01:51, 11 February 2011 (diff | hist) . . (+428) . . 2011 AMC 10A Problems/Problem 7 (→Problem 7)
- 01:46, 11 February 2011 (diff | hist) . . (+247) . . 2011 AMC 10A Problems (→Problem 7)
- 01:44, 11 February 2011
(diff | hist) . .
**(+552)** . . N 2011 AMC 10A Problems/Problem 4 (Created page with 'Let X and Y be the following sums of arithmetic sequences: <cmath> \begin{eqnarray*}X &=& 10+12+14+\cdots+100,\\ Y &=& 12+14+16+\cdots+102.\end[eqnarray*} </cmath> What is the…') - 01:34, 11 February 2011 (diff | hist) . . (+361) . . N 2011 AMC 10A Problems/Problem 9 (Created page with 'A rectangular region is bounded by the graphs of the equations y=a, y=-b, x=-c, and x=d, where a,b,c, and d are all positive numbers. Which of the following represents the area o…')
- 01:28, 11 February 2011 (diff | hist) . . (0) . . 2011 AMC 10A Problems (→Problem 9)
- 19:50, 10 February 2011 (diff | hist) . . (-1) . . 2011 AMC 10A Problems (→Problem 20)
- 19:49, 10 February 2011 (diff | hist) . . (-390) . . 2011 AMC 10A Problems/Problem 20 (Blanked the page)
- 19:47, 10 February 2011 (diff | hist) . . (+391) . . 2011 AMC 10A Problems (→Problem 20)
- 19:45, 10 February 2011 (diff | hist) . . (+390) . . N 2011 AMC 10A Problems/Problem 20 (Created page with 'Two points on the circumference of a circle of radius r are selected independently and at random. Frome each point a chord lf length r is drawn in a clockwise direction. What is …')