# User contributions

- 23:21, 11 June 2020 (diff | hist) . . (+20) . . AoPS Wiki:AoPS Community Awards (→Perfect USAMO Index)
- 23:18, 11 June 2020 (diff | hist) . . (+21) . . AoPS Wiki:AoPS Community Awards (→Perfect AMC 12 Scores)
- 23:17, 11 June 2020 (diff | hist) . . (+21) . . AoPS Wiki:AoPS Community Awards (→Perfect AIME Scores)
- 21:37, 21 February 2016 (diff | hist) . . (-158) . . User:Zhuangzhuang (Replaced content with "Yo AOPS") (current)
- 12:25, 21 February 2016 (diff | hist) . . (+90) . . 2016 AMC 12B Problems/Problem 25 (→Solution)
- 12:22, 21 February 2016 (diff | hist) . . (+1) . . 2016 AMC 12B Problems/Problem 25 (→Solution)
- 12:21, 21 February 2016
(diff | hist) . .
**(+851)** . . 2016 AMC 12B Problems/Problem 25 (→Solution) - 12:15, 21 February 2016 (diff | hist) . . (+52) . . 2016 AMC 12B Problems/Problem 25 (→Problem)
- 12:12, 21 February 2016
(diff | hist) . .
**(+801)** . . 2016 AMC 12B Problems/Problem 25 (→Problem) - 12:00, 21 February 2016 (diff | hist) . . (+423) . . N 2016 AMC 12B Problems/Problem 25 (Created page with "==Problem== The sequence <math>(a_n)</math> is defined recursively by <math>a_0=1</math>, <math>a_1=\sqrt[19]{2}</math>, and <math>a_n=a_{n-1}a_{n-2}^2</math> for <math>n\geq ...")
- 22:17, 15 September 2015 (diff | hist) . . (+4) . . South Carolina MathCounts (current)
- 12:28, 13 February 2014 (diff | hist) . . (+8) . . m 2014 AMC 12A Problems/Problem 23 (→Solution)
- 12:27, 13 February 2014 (diff | hist) . . (+131) . . 2014 AMC 12A Problems/Problem 24
- 12:38, 30 January 2014 (diff | hist) . . (+37) . . Edge
- 23:12, 2 January 2014 (diff | hist) . . (+13) . . m 2000 AIME I Problems/Problem 15 (→Problem)
- 21:23, 31 December 2013 (diff | hist) . . (-12) . . m 2001 AIME I Problems/Problem 15 (Undo revision 58463 by Zhuangzhuang (talk))
- 21:22, 31 December 2013 (diff | hist) . . (+12) . . m 2001 AIME I Problems/Problem 15 (Undo revision 58462 by Zhuangzhuang (talk))
- 21:22, 31 December 2013 (diff | hist) . . (-12) . . m 2001 AIME I Problems/Problem 15 (→Alternate Solution 2)
- 21:22, 31 December 2013 (diff | hist) . . (-9) . . m 2001 AIME I Problems/Problem 15 (→Alternate Solution)
- 21:22, 31 December 2013 (diff | hist) . . (+1) . . m 2001 AIME I Problems/Problem 15 (→Solution)
- 15:47, 22 December 2013 (diff | hist) . . (-329) . . User:Zhuangzhuang
- 20:49, 9 April 2013 (diff | hist) . . (+105) . . User:Zhuangzhuang
- 22:17, 5 April 2013 (diff | hist) . . (+3) . . 2013 AIME II Problems/Problem 15 (→Alternate Solution)
- 22:15, 5 April 2013 (diff | hist) . . (+13) . . 2013 AIME II Problems/Problem 15 (→Alternate Solution)
- 22:15, 5 April 2013 (diff | hist) . . (+186) . . 2013 AIME II Problems/Problem 15 (→Alternate Solution)
- 22:12, 5 April 2013 (diff | hist) . . (+8) . . 2013 AIME II Problems/Problem 15
- 22:03, 5 April 2013
(diff | hist) . .
**(+533)** . . 2013 AIME II Problems/Problem 15 - 20:21, 7 March 2013 (diff | hist) . . (+3) . . User:Zhuangzhuang
- 20:20, 7 March 2013 (diff | hist) . . (-1) . . m 2010 AIME II Problems/Problem 15 (→Solution.)
- 20:20, 7 March 2013 (diff | hist) . . (-8) . . m 2010 AIME II Problems/Problem 15 (→Problem 15.)
- 22:34, 26 January 2013 (diff | hist) . . (+19) . . User:Zhuangzhuang
- 22:34, 26 January 2013 (diff | hist) . . (+307) . . User:Zhuangzhuang
- 22:19, 8 January 2013 (diff | hist) . . (+60) . . N User:Zhuangzhuang (Created page with "Hello, this is Andy Xu. I reside in SC, and am in 6th grade.")
- 11:23, 6 November 2012 (diff | hist) . . (+1) . . m 1996 USAMO Problems/Problem 1
- 11:21, 6 November 2012 (diff | hist) . . (+16) . . m 1996 USAMO Problems/Problem 1
- 21:51, 4 November 2012 (diff | hist) . . (+4) . . 1996 USAMO Problems/Problem 1
- 21:50, 4 November 2012 (diff | hist) . . (+124) . . 1996 USAMO Problems/Problem 1
- 21:48, 4 November 2012 (diff | hist) . . (+43) . . 1996 USAMO Problems/Problem 1
- 21:46, 4 November 2012
(diff | hist) . .
**(+666)** . . N 1996 USAMO Problems/Problem 1 (Created page with "First, as <math>180\sin{180^\circ}=0,</math> we omit that term. Now, we multiply by <math>\sin 1^\circ</math> to get, after using product to sum, <math>(\cos 1^\circ-\cos 3^\circ...") - 10:51, 4 November 2012 (diff | hist) . . (+1) . . 2012 AMC 12A Problems/Problem 25 (→Problem)
- 21:53, 7 July 2012 (diff | hist) . . (+1) . . m 1991 AIME Problems/Problem 9 (→Solution 1)
- 18:13, 1 July 2012 (diff | hist) . . (-2) . . m 1990 AIME Problems/Problem 3