# User contributions

- 02:05, 2 March 2019
(diff | hist) . .
**(+510)** . . 2019 AMC 10A Problems/Problem 25 (→Solution) - 16:37, 8 August 2009 (diff | hist) . . (-1) . . 1998 PMWC Problems/Problem I1 (→Solution) (current)
- 16:36, 8 August 2009 (diff | hist) . . (-30) . . 1998 PMWC Problems/Problem I1 (→Solution)
- 16:36, 8 August 2009 (diff | hist) . . (+439) . . N 1998 PMWC Problems/Problem I1 (Created page with '== Problem I1 == Calculate: <math>\frac{1*2*3+2*4*6+3*6*9+4*8*12+5*10*15}{1*3*5+2*6*10+3*9*15+4*12*20+5*15*25}</math> == Solution == If you factor the top, you get <math>(1*2*3…')
- 00:52, 8 August 2009 (diff | hist) . . (+1) . . 1997 PMWC Problems/Problem I12 (→Solution 2)
- 00:52, 8 August 2009 (diff | hist) . . (-10) . . 1997 PMWC Problems/Problem I12 (→Solution 2)
- 00:51, 8 August 2009 (diff | hist) . . (+11) . . 1997 PMWC Problems/Problem I12 (→Solution 2)
- 00:50, 8 August 2009 (diff | hist) . . (+415) . . 1997 PMWC Problems/Problem I12 (→Solution)
- 00:35, 8 August 2009 (diff | hist) . . (0) . . 1997 PMWC Problems (→Problem I8)
- 00:32, 8 August 2009 (diff | hist) . . (+1) . . 1997 PMWC Problems (→Problem I7)
- 00:10, 6 August 2009 (diff | hist) . . (0) . . 1990 AIME Problems (→Problem 3)
- 00:04, 6 August 2009 (diff | hist) . . (0) . . 1990 AIME Problems (→Problem 3)
- 17:29, 8 July 2009 (diff | hist) . . (0) . . Euclidean algorithm (→Main idea and Informal Description)
- 00:14, 4 May 2009 (diff | hist) . . (-286) . . User:USAMO13 (Removing all content from page)
- 00:26, 21 March 2009 (diff | hist) . . (+474) . . N 1966 AHSME Problems/Problem 4 (New page: Make half of the square's side x. Now the radius of the smaller circle is x, so it's area is pi*x^2 Now find the diameter of the bigger circle. Since half of the square's side is x, the f...)