User contributions
- 17:20, 11 July 2016 (diff | hist) . . (0) . . m 2003 AMC 12B Problems/Problem 20
- 17:19, 11 July 2016 (diff | hist) . . (+286) . . 2003 AMC 12B Problems/Problem 20 (→Solution)
- 19:51, 4 March 2016 (diff | hist) . . (+494) . . 2016 AIME I Problems/Problem 12
- 19:48, 4 March 2016 (diff | hist) . . (+846) . . 2016 AIME I Problems/Problem 15
- 18:50, 11 November 2015 (diff | hist) . . (+60) . . 2010 IMO Problems/Problem 2 (→Solution)
- 20:25, 19 July 2015 (diff | hist) . . (+2,347) . . 1982 USAMO Problems/Problem 1
- 21:02, 16 June 2015 (diff | hist) . . (+1,932) . . 1979 USAMO Problems/Problem 5
- 19:45, 16 June 2015 (diff | hist) . . (+132) . . 1964 IMO Problems/Problem 2 (→Solution)
- 22:54, 20 May 2015 (diff | hist) . . (+3,357) . . 2013 USAMO Problems/Problem 6
- 19:26, 20 May 2015 (diff | hist) . . (+1) . . 2013 USAMO Problems/Problem 1 (→Solution 3)
- 19:26, 20 May 2015 (diff | hist) . . (+792) . . 2013 USAMO Problems/Problem 1
- 18:03, 20 May 2015 (diff | hist) . . (+1,205) . . 2011 USAMO Problems/Problem 5 (→Solution)
- 22:55, 19 May 2015 (diff | hist) . . (+2) . . 2010 USAMO Problems/Problem 1 (→Footnote to the Footnote)
- 22:55, 19 May 2015 (diff | hist) . . (+665) . . 2010 USAMO Problems/Problem 1
- 22:24, 19 May 2015 (diff | hist) . . (+324) . . 1977 USAMO Problems/Problem 2 (current)
- 22:12, 19 May 2015 (diff | hist) . . (-3) . . m 1970 IMO Problems/Problem 1 (→Solution 2) (current)
- 22:12, 19 May 2015 (diff | hist) . . (+658) . . 1970 IMO Problems/Problem 1 (→Solution)
- 21:30, 19 May 2015 (diff | hist) . . (+6) . . m 2005 USAMO Problems/Problem 3 (→Solution 2)
- 21:29, 19 May 2015 (diff | hist) . . (+442) . . 2005 USAMO Problems/Problem 3 (→Solution 2)
- 21:23, 19 May 2015 (diff | hist) . . (+769) . . 2005 USAMO Problems/Problem 3
- 23:29, 18 May 2015 (diff | hist) . . (+1) . . m 1982 USAMO Problems/Problem 3 (→Solution) (current)
- 23:28, 18 May 2015 (diff | hist) . . (+1,636) . . 1982 USAMO Problems/Problem 3
- 22:46, 18 May 2015 (diff | hist) . . (+598) . . 2006 USAMO Problems/Problem 6 (→Solution 2) (current)
- 22:17, 17 May 2015 (diff | hist) . . (+2) . . m 1999 USAMO Problems/Problem 6 (→Solution)
- 18:16, 17 May 2015 (diff | hist) . . (+416) . . 1981 USAMO Problems/Problem 1 (→Solution)
- 13:01, 17 May 2015 (diff | hist) . . (+1) . . m 2010 IMO Problems/Problem 2 (→Solution)
- 12:59, 17 May 2015 (diff | hist) . . (+12) . . 2010 IMO Problems/Problem 2 (→Solution)
- 12:59, 17 May 2015 (diff | hist) . . (+1,542) . . 2010 IMO Problems/Problem 2
- 00:37, 17 May 2015 (diff | hist) . . (+653) . . 1966 IMO Problems/Problem 6 (→Solution) (current)
- 00:23, 17 May 2015 (diff | hist) . . (+1) . . m 1960 IMO Problems/Problem 7 (→Solution)
- 00:23, 17 May 2015 (diff | hist) . . (+12) . . 1960 IMO Problems/Problem 7 (→Solution)
- 00:23, 17 May 2015 (diff | hist) . . (+454) . . 1960 IMO Problems/Problem 7
- 00:14, 17 May 2015 (diff | hist) . . (+1) . . 1960 IMO Problems/Problem 3 (→Solution 2) (current)
- 00:13, 17 May 2015 (diff | hist) . . (+805) . . 1960 IMO Problems/Problem 3
- 23:38, 16 May 2015 (diff | hist) . . (-2) . . 2001 IMO Problems/Problem 1 (→Solution 2)
- 23:37, 16 May 2015 (diff | hist) . . (+83) . . 2001 IMO Problems/Problem 1 (→Solution 2)
- 23:26, 16 May 2015 (diff | hist) . . (0) . . m 2001 IMO Problems/Problem 1 (→Solution 2)
- 23:24, 16 May 2015 (diff | hist) . . (+771) . . 2001 IMO Problems/Problem 1 (→Solution)
- 22:48, 16 May 2015 (diff | hist) . . (+560) . . 2000 USAMO Problems/Problem 5
- 00:07, 17 April 2015 (diff | hist) . . (+298) . . 1987 AHSME Problems/Problem 20 (→Problem)
- 18:09, 15 April 2015 (diff | hist) . . (+2,571) . . 1993 USAMO Problems/Problem 5
- 17:51, 15 April 2015 (diff | hist) . . (+46) . . 1993 USAMO Problems
- 23:43, 29 March 2015 (diff | hist) . . (+214) . . 1997 USAMO Problems/Problem 5 (→Solution 3 (Isolated fudging))
- 23:42, 29 March 2015 (diff | hist) . . (+611) . . 1997 USAMO Problems/Problem 5 (→Solution 2)
- 23:31, 29 March 2015 (diff | hist) . . (0) . . 1997 USAMO Problems (→Problem 6)
- 18:49, 29 March 2015 (diff | hist) . . (+1) . . 2015 AIME II Problems/Problem 7 (→Solution 3)
- 18:48, 29 March 2015 (diff | hist) . . (+820) . . 2015 AIME II Problems/Problem 7 (→Solution 2)
- 18:18, 29 March 2015 (diff | hist) . . (-24) . . 2015 AIME II Problems/Problem 8 (→Solution 2 (Proof without words))
- 18:17, 29 March 2015 (diff | hist) . . (-4) . . m 2015 AIME II Problems/Problem 8 (→Solution 2 (Proof without words))
- 18:16, 29 March 2015 (diff | hist) . . (+572) . . 2015 AIME II Problems/Problem 8 (→Solution)
- 18:05, 29 March 2015 (diff | hist) . . (+2,201) . . 2015 AIME II Problems/Problem 15 (→Solution)
- 16:49, 29 March 2015 (diff | hist) . . (+125) . . 2015 AIME II Problems/Problem 12 (→Solution 2)
- 21:49, 20 March 2015 (diff | hist) . . (0) . . 2015 AIME I Problems/Problem 5 (→Solution)
- 21:49, 20 March 2015 (diff | hist) . . (+1,272) . . 2015 AIME I Problems/Problem 5
- 21:41, 20 March 2015 (diff | hist) . . (+1,104) . . 2015 AIME I Problems/Problem 10 (→Solution 2)
- 18:57, 20 March 2015 (diff | hist) . . (+1,171) . . 2015 AIME I Problems/Problem 13 (→Problem)
- 18:46, 20 March 2015 (diff | hist) . . (+17) . . 2015 AIME I Problems/Problem 12 (→Solution)
- 18:43, 20 March 2015 (diff | hist) . . (+1,335) . . 2015 AIME I Problems/Problem 12
- 18:32, 20 March 2015 (diff | hist) . . (+1,486) . . 2015 AIME I Problems/Problem 8 (→Solution)
- 15:31, 16 February 2015 (diff | hist) . . (-5) . . m 2004 USAMO Problems (→Problem 2)
- 14:58, 16 February 2015 (diff | hist) . . (+753) . . 2001 USAMO Problems/Problem 4 (→Solution 3)
- 14:38, 16 February 2015 (diff | hist) . . (+18) . . m 2014 IMO Problems/Problem 4 (→Solution 3)
- 14:37, 16 February 2015 (diff | hist) . . (+72) . . 2014 IMO Problems/Problem 4 (→Solution 3)
- 12:40, 16 February 2015 (diff | hist) . . (0) . . m 2013 AMC 10A Problems/Problem 18 (→Solution)
- 12:40, 16 February 2015 (diff | hist) . . (+467) . . 2013 AMC 10A Problems/Problem 18
- 13:36, 13 February 2015 (diff | hist) . . (+1,019) . . 1996 USAMO Problems/Problem 5 (→Solution 2)
- 13:21, 13 February 2015 (diff | hist) . . (+355) . . 1997 USAMO Problems/Problem 2 (→Solution)
- 13:14, 13 February 2015 (diff | hist) . . (+299) . . 1997 USAMO Problems/Problem 1 (→Solution) (current)
- 00:09, 13 February 2015 (diff | hist) . . (+13) . . m 1998 USAMO Problems/Problem 1 (→Solution)
- 00:08, 13 February 2015 (diff | hist) . . (+130) . . 1998 USAMO Problems/Problem 1 (→Solution)
- 19:55, 9 February 2015 (diff | hist) . . (+61) . . 2014 IMO Problems/Problem 2 (→Solution)
- 19:53, 9 February 2015 (diff | hist) . . (+1) . . m 2014 IMO Problems/Problem 2 (→Solution)
- 19:53, 9 February 2015 (diff | hist) . . (+16) . . 2014 IMO Problems/Problem 2 (→Solution)
- 19:51, 9 February 2015 (diff | hist) . . (+2,112) . . 2014 IMO Problems/Problem 2
- 23:13, 8 February 2015 (diff | hist) . . (+375) . . 2012 IMO Problems/Problem 1 (→Solution 3)
- 19:24, 8 February 2015 (diff | hist) . . (+71) . . 2012 IMO Problems/Problem 1 (→Solution 3)
- 19:21, 8 February 2015 (diff | hist) . . (+1) . . 2012 IMO Problems/Problem 1 (→Solution 3)
- 19:21, 8 February 2015 (diff | hist) . . (+315) . . 2012 IMO Problems/Problem 1 (→Solution 2)
- 18:54, 8 February 2015 (diff | hist) . . (+1) . . m 2012 IMO Problems/Problem 1 (→Solution 2)
- 18:53, 8 February 2015 (diff | hist) . . (+2,128) . . 2012 IMO Problems/Problem 1
- 11:40, 8 February 2015 (diff | hist) . . (+31) . . 2014 IMO Problems/Problem 4 (→Solution 3)
- 11:38, 8 February 2015 (diff | hist) . . (+1,251) . . 2014 IMO Problems/Problem 4 (→Solution 2)
- 00:27, 8 February 2015 (diff | hist) . . (+51) . . 2014 IMO Problems/Problem 4 (→Solution 2)
- 00:26, 8 February 2015 (diff | hist) . . (+36) . . 2014 IMO Problems/Problem 4 (→Solution)
- 00:15, 8 February 2015 (diff | hist) . . (+49) . . 2014 IMO Problems/Problem 4 (→Solution 2)
- 00:14, 8 February 2015 (diff | hist) . . (+912) . . 2014 IMO Problems/Problem 4
- 23:44, 7 February 2015 (diff | hist) . . (+14) . . 2014 IMO Problems (→Problem 3)
- 23:43, 7 February 2015 (diff | hist) . . (+4) . . 2014 IMO Problems/Problem 1 (→Solution)
- 23:38, 7 February 2015 (diff | hist) . . (+1,367) . . 2014 IMO Problems/Problem 1
- 22:57, 7 February 2015 (diff | hist) . . (-1) . . 2014 IMO Problems/Problem 1 (→Problem)
- 22:56, 7 February 2015 (diff | hist) . . (-1) . . m 2014 IMO Problems (→Problem 1)
- 22:56, 7 February 2015 (diff | hist) . . (-280) . . 2014 IMO Problems (→Problem 1)
- 23:43, 4 February 2015 (diff | hist) . . (+246) . . 2015 AMC 12A Problems/Problem 9 (→Solution)
- 23:41, 4 February 2015 (diff | hist) . . (0) . . 2015 AMC 12A Problems/Problem 12 (→Solution)
- 23:41, 4 February 2015 (diff | hist) . . (+36) . . 2015 AMC 12A Problems/Problem 12 (→Solution)
- 23:40, 4 February 2015 (diff | hist) . . (+831) . . N 2015 AMC 12A Problems/Problem 12 (Created page with "==Problem 12== The parabolas <math>y=ax^2 - 2</math> and <math>y=4 - bx^2</math> intersect the coordinate axes in exactly four points, and these four points are the vertices of ...")
- 22:41, 4 February 2015 (diff | hist) . . (+2) . . m 2015 AMC 12A Problems (→Problem 24)
- 22:40, 4 February 2015 (diff | hist) . . (+822) . . 2015 AMC 12A Problems/Problem 20
- 22:34, 4 February 2015 (diff | hist) . . (+445) . . N 2015 AMC 12A Problems/Problem 15 (Created page with "==Problem 15== What is the minimum number of digits to the right of the decimal point needed to express the fraction <math>\frac{123456789}{2^{26}\cdot 5^4}</math> as a decimal?...")
- 22:33, 4 February 2015 (diff | hist) . . (+917) . . N 2015 AMC 12A Problems/Problem 13 (Created page with "==Problem 13== A league with 12 teams holds a round-robin tournament, with each team playing every other team exactly once. Games either end with one team victorious or else end...")
- 22:32, 4 February 2015 (diff | hist) . . (+623) . . N 2015 AMC 12A Problems/Problem 14 (Created page with "==Problem 14== What is the value of <math>a</math> for which <math>\frac{1}{\text{log}_2a} + \frac{1}{\text{log}_3a} + \frac{1}{\text{log}_4a} = 1</math>? <math> \textbf{(A)}\ ...")
- 21:44, 4 February 2015 (diff | hist) . . (+3) . . m 2015 AMC 10A Problems/Problem 25 (→Solution)
- 21:43, 4 February 2015 (diff | hist) . . (+233) . . 2015 AMC 10A Problems/Problem 25 (→Solution)
- 21:40, 4 February 2015 (diff | hist) . . (+15) . . m 2015 AMC 10A Problems/Problem 25 (→Solution)
- 21:39, 4 February 2015 (diff | hist) . . (+1,882) . . 2015 AMC 10A Problems/Problem 25
- 21:24, 4 February 2015 (diff | hist) . . (+393) . . 2015 AMC 10A Problems/Problem 14 (→Solution)
- 20:50, 4 February 2015 (diff | hist) . . (+93) . . 2015 AMC 10A Problems/Problem 7 (→Solution)
- 20:49, 4 February 2015 (diff | hist) . . (+15) . . m 2015 AMC 10A Problems/Problem 21
- 20:49, 4 February 2015 (diff | hist) . . (+1,422) . . 2015 AMC 10A Problems/Problem 21
- 20:04, 4 February 2015 (diff | hist) . . (+1,626) . . 2015 AMC 10A Problems/Problem 22
- 19:51, 4 February 2015 (diff | hist) . . (+687) . . 2015 AMC 10A Problems/Problem 13
- 19:46, 4 February 2015 (diff | hist) . . (+1) . . m 2015 AMC 10A Problems/Problem 19 (→Solution 2)
- 19:45, 4 February 2015 (diff | hist) . . (+4) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 19:45, 4 February 2015 (diff | hist) . . (+636) . . 2015 AMC 10A Problems/Problem 19
- 19:39, 4 February 2015 (diff | hist) . . (+1,249) . . 2015 AMC 10A Problems/Problem 24
- 19:33, 4 February 2015 (diff | hist) . . (+352) . . 2015 AMC 10A Problems/Problem 23
- 19:26, 4 February 2015 (diff | hist) . . (0) . . 2015 AMC 10A Problems/Problem 17 (→Solution)
- 19:25, 4 February 2015 (diff | hist) . . (-222) . . 2015 AMC 10A Problems/Problem 17 (→Solution)
- 19:22, 4 February 2015 (diff | hist) . . (+7) . . m 2015 AMC 10A Problems/Problem 11 (→Solution)
- 19:21, 4 February 2015 (diff | hist) . . (+6) . . 2015 AMC 10A Problems/Problem 11 (→Solution)
- 19:21, 4 February 2015 (diff | hist) . . (+768) . . 2015 AMC 10A Problems/Problem 11
- 19:17, 4 February 2015 (diff | hist) . . (+850) . . N 2015 AMC 10A Problems/Problem 18 (Created page with "==Problem 18== Hexadecimal (base-16) numbers are written using numeric digits <math>0</math> through <math>9</math> as well as the letters <math>A</math> through <math>F</math> t...")
- 19:10, 4 February 2015 (diff | hist) . . (+548) . . 2015 AMC 10A Problems/Problem 16
- 19:06, 4 February 2015 (diff | hist) . . (+11) . . 2015 AMC 12A Problems/Problem 2 (→Solution)
- 19:06, 4 February 2015 (diff | hist) . . (+331) . . 2015 AMC 12A Problems/Problem 2
- 23:28, 31 January 2015 (diff | hist) . . (+552) . . 2009 AMC 12B Problems/Problem 21 (→Solution)
- 22:16, 4 January 2015 (diff | hist) . . (-39) . . 2004 AMC 10A Problems/Problem 20 (→Solution 2 (Non-trig))
- 22:13, 4 January 2015 (diff | hist) . . (+634) . . 2004 AMC 10A Problems/Problem 20
- 17:55, 5 October 2014 (diff | hist) . . (0) . . m 1988 USAMO Problems/Problem 2 (→Solution 2)
- 17:54, 5 October 2014 (diff | hist) . . (+606) . . 1988 USAMO Problems/Problem 2 (→Solution)
- 17:45, 5 October 2014 (diff | hist) . . (0) . . 1988 USAMO Problems/Problem 1 (→Solution 2)
- 17:45, 5 October 2014 (diff | hist) . . (+673) . . 1988 USAMO Problems/Problem 1 (→Solution)
- 11:28, 5 October 2014 (diff | hist) . . (+66) . . 1999 USAMO Problems/Problem 2 (→Solution)
- 11:27, 5 October 2014 (diff | hist) . . (+1) . . 1999 USAMO Problems/Problem 2 (→Solution)
- 11:26, 5 October 2014 (diff | hist) . . (-243) . . 1999 USAMO Problems/Problem 2 (→Solution)
- 11:23, 5 October 2014 (diff | hist) . . (+1,401) . . 1999 USAMO Problems/Problem 2
- 16:29, 28 September 2014 (diff | hist) . . (0) . . 1999 USAMO Problems/Problem 4 (→Solution 2)
- 16:27, 28 September 2014 (diff | hist) . . (+85) . . 1999 USAMO Problems/Problem 4 (→Problem)
- 16:26, 28 September 2014 (diff | hist) . . (-12) . . 1999 USAMO Problems/Problem 4 (→Solution 2)
- 16:25, 28 September 2014 (diff | hist) . . (+1,154) . . 1999 USAMO Problems/Problem 4 (→Solution)
- 23:32, 21 September 2014 (diff | hist) . . (+26) . . 1977 Canadian MO Problems/Problem 1 (→Solution)
- 23:32, 21 September 2014 (diff | hist) . . (+344) . . 1977 Canadian MO Problems/Problem 1
- 23:28, 21 September 2014 (diff | hist) . . (0) . . 1977 Canadian MO Problems/Problem 2 (→Solution 2) (current)
- 23:27, 21 September 2014 (diff | hist) . . (+699) . . 1977 Canadian MO Problems/Problem 2 (→Solution)
- 20:00, 21 September 2014 (diff | hist) . . (0) . . 2006 Canadian MO Problems/Problem 2 (→Solution 2) (current)
- 19:59, 21 September 2014 (diff | hist) . . (+946) . . 2006 Canadian MO Problems/Problem 2 (→Solution)
- 19:28, 21 September 2014 (diff | hist) . . (+410) . . 2006 Romanian NMO Problems/Grade 9/Problem 3 (→Solution) (current)
- 19:25, 21 September 2014 (diff | hist) . . (+1) . . 2006 Romanian NMO Problems/Grade 9/Problem 3 (→Solution)
- 19:24, 21 September 2014 (diff | hist) . . (+1) . . 2006 Romanian NMO Problems/Grade 9/Problem 3 (→Solution)
- 19:24, 21 September 2014 (diff | hist) . . (+448) . . 2006 Romanian NMO Problems/Grade 9/Problem 3 (→Solution)
- 15:39, 21 September 2014 (diff | hist) . . (-1) . . 1987 IMO Problems/Problem 2 (→Solution 3) (current)
- 15:39, 21 September 2014 (diff | hist) . . (+308) . . 1987 IMO Problems/Problem 2 (→Solution 2)
- 15:34, 21 September 2014 (diff | hist) . . (+156) . . 1987 IMO Problems/Problem 2 (→Solution 2)
- 15:33, 21 September 2014 (diff | hist) . . (+900) . . 1987 IMO Problems/Problem 2 (→Solution)
- 00:13, 15 September 2014 (diff | hist) . . (+499) . . 1988 USAMO Problems/Problem 4 (→Solution)
- 23:59, 14 September 2014 (diff | hist) . . (+1,097) . . 2007 BMO Problems/Problem 1 (→Solution 2) (current)
- 23:50, 14 September 2014 (diff | hist) . . (+71) . . 2007 BMO Problems/Problem 1
- 23:35, 14 September 2014 (diff | hist) . . (+38) . . 1984 IMO Problems/Problem 4 (→Problem)
- 23:34, 14 September 2014 (diff | hist) . . (+29) . . 1984 IMO Problems/Problem 4 (→Solution 2)
- 23:32, 14 September 2014 (diff | hist) . . (+1,295) . . 1984 IMO Problems/Problem 4
- 23:01, 14 September 2014 (diff | hist) . . (+421) . . 1968 IMO Problems/Problem 1
- 15:37, 31 August 2014 (diff | hist) . . (+859) . . 1974 USAMO Problems/Problem 1 (→Solution 1b)
- 15:31, 31 August 2014 (diff | hist) . . (+124) . . 1974 USAMO Problems/Problem 1 (→Problem)
- 15:30, 31 August 2014 (diff | hist) . . (+522) . . 1974 USAMO Problems/Problem 1 (→Solution)
- 20:52, 28 August 2014 (diff | hist) . . (+548) . . Construction (current)
- 20:47, 28 August 2014 (diff | hist) . . (+233) . . Construction
- 19:36, 28 August 2014 (diff | hist) . . (+258) . . Radical axis (→Exercises)
- 19:32, 28 August 2014 (diff | hist) . . (+1,240) . . 1995 IMO Problems/Problem 1 (→Solution 3)
- 19:19, 28 August 2014 (diff | hist) . . (+34) . . 1995 IMO Problems/Problem 1 (→Solution 2)
- 09:54, 28 August 2014 (diff | hist) . . (+694) . . 1995 IMO Problems/Problem 1
- 22:56, 27 August 2014 (diff | hist) . . (+636) . . 1959 IMO Problems/Problem 4
- 22:45, 27 August 2014 (diff | hist) . . (+65) . . 1995 IMO Problems/Problem 1 (→Solution)
- 22:40, 27 August 2014 (diff | hist) . . (0) . . 1995 IMO Problems/Problem 1 (→Solution 2)
- 22:37, 27 August 2014 (diff | hist) . . (+866) . . 1995 IMO Problems/Problem 1 (→Solution)
- 13:58, 25 August 2014 (diff | hist) . . (+52) . . 2013 IMO Problems/Problem 4 (→Solution)
- 13:55, 25 August 2014 (diff | hist) . . (+88) . . 2013 IMO Problems/Problem 4 (→Solution)
- 13:54, 25 August 2014 (diff | hist) . . (+118) . . 2013 IMO Problems/Problem 4 (→Solution)
- 13:51, 25 August 2014 (diff | hist) . . (+3,669) . . N 2013 IMO Problems/Problem 4 (Created page with "==Problem== Let <math>ABC</math> be an acute triangle with orthocenter <math>H</math>, and let <math>W</math> be a point on the side <math>BC</math>, lying strictly between <math...")
- 23:00, 16 August 2014 (diff | hist) . . (+15) . . 1979 USAMO Problems/Problem 3 (→Solution)
- 22:59, 16 August 2014 (diff | hist) . . (-4) . . 1979 USAMO Problems/Problem 3 (→Final Hint)
- 22:12, 16 August 2014 (diff | hist) . . (+114) . . 1979 USAMO Problems/Problem 4 (→Problem)
- 21:55, 16 August 2014 (diff | hist) . . (0) . . 1979 USAMO Problems/Problem 4 (→Solution (trig bash))
- 21:48, 16 August 2014 (diff | hist) . . (+274) . . 1979 USAMO Problems/Problem 4 (→Solution (trig bash))
- 18:24, 16 August 2014 (diff | hist) . . (0) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 18:24, 16 August 2014 (diff | hist) . . (0) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 18:23, 16 August 2014 (diff | hist) . . (+97) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 18:22, 16 August 2014 (diff | hist) . . (+2) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 18:07, 16 August 2014 (diff | hist) . . (+10) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 18:06, 16 August 2014 (diff | hist) . . (0) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 18:06, 16 August 2014 (diff | hist) . . (+36) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 16:03, 16 August 2014 (diff | hist) . . (-1) . . 1975 USAMO Problems/Problem 1 (→Background Knowledge)
- 16:02, 16 August 2014 (diff | hist) . . (0) . . 1975 USAMO Problems/Problem 1 (→How the Key Lemma Solves the Problem)
- 16:01, 16 August 2014 (diff | hist) . . (-7) . . 1975 USAMO Problems/Problem 1 (→How the Key Lemma Solves the Problem)
- 16:01, 16 August 2014 (diff | hist) . . (0) . . 1975 USAMO Problems/Problem 1 (→How the Key Lemma Solves the Problem)
- 15:59, 16 August 2014 (diff | hist) . . (-96) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 15:53, 16 August 2014 (diff | hist) . . (+7) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 15:52, 16 August 2014 (diff | hist) . . (-2) . . 1975 USAMO Problems/Problem 1 (→Background Knowledge)
- 15:51, 16 August 2014 (diff | hist) . . (+14) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 15:50, 16 August 2014 (diff | hist) . . (-1) . . 1975 USAMO Problems/Problem 1 (→Proof of Key Lemma)
- 15:47, 16 August 2014 (diff | hist) . . (+5,145) . . 1975 USAMO Problems/Problem 1
- 18:06, 15 August 2014 (diff | hist) . . (+9) . . 1976 USAMO Problems/Problem 4 (→Solution 2)
- 18:05, 15 August 2014 (diff | hist) . . (0) . . m 1976 USAMO Problems/Problem 4 (→Solution 2)
- 18:05, 15 August 2014 (diff | hist) . . (+330) . . 1976 USAMO Problems/Problem 4
- 20:19, 14 August 2014 (diff | hist) . . (-736) . . 1977 USAMO Problems/Problem 1
- 17:52, 14 August 2014 (diff | hist) . . (+14) . . 1978 USAMO Problems/Problem 3 (→Solution) (current)
- 17:51, 14 August 2014 (diff | hist) . . (+1) . . m 1978 USAMO Problems/Problem 3 (→Solution)
- 17:51, 14 August 2014 (diff | hist) . . (+12) . . 1978 USAMO Problems/Problem 3 (→Solution)
- 17:50, 14 August 2014 (diff | hist) . . (+1) . . m 1978 USAMO Problems/Problem 3 (→Solution)
- 17:50, 14 August 2014 (diff | hist) . . (+2,065) . . 1978 USAMO Problems/Problem 3
- 16:10, 14 August 2014 (diff | hist) . . (+1,799) . . 1977 USAMO Problems/Problem 4
- 15:19, 14 August 2014 (diff | hist) . . (+7) . . 1977 USAMO Problems/Problem 1 (→Solution 2)
- 15:17, 14 August 2014 (diff | hist) . . (+1,555) . . 1977 USAMO Problems/Problem 1 (→Solution)
- 22:08, 13 August 2014 (diff | hist) . . (+7) . . 1976 USAMO Problems/Problem 5 (→Solution 3)
- 22:06, 13 August 2014 (diff | hist) . . (+134) . . 1976 USAMO Problems/Problem 5 (→Solution 3)
- 21:55, 13 August 2014 (diff | hist) . . (+4) . . 1976 USAMO Problems/Problem 5 (→Solution 3)
- 21:55, 13 August 2014 (diff | hist) . . (-8) . . 1976 USAMO Problems/Problem 5 (→Solution 3)
- 21:55, 13 August 2014 (diff | hist) . . (+684) . . 1976 USAMO Problems/Problem 5
- 16:06, 13 August 2014 (diff | hist) . . (+798) . . 1975 USAMO Problems/Problem 3
- 15:13, 13 August 2014 (diff | hist) . . (+404) . . 1975 USAMO Problems/Problem 4 (→Solution) (current)
- 13:57, 13 August 2014 (diff | hist) . . (+1,119) . . 1974 USAMO Problems/Problem 3 (→Solution)
- 12:47, 8 August 2014 (diff | hist) . . (+10) . . 2010 AMC 12A Problems/Problem 23 (→Solution 2)
- 12:46, 8 August 2014 (diff | hist) . . (+474) . . 2010 AMC 12A Problems/Problem 23 (→Hints and Method of Attack)
- 12:42, 8 August 2014 (diff | hist) . . (+556) . . 2010 AMC 12A Problems/Problem 23 (→Problem)
- 12:34, 8 August 2014 (diff | hist) . . (-41) . . 2010 AMC 12A Problems/Problem 23 (→Solution 2)
- 23:09, 7 August 2014 (diff | hist) . . (+1,679) . . 2010 AMC 12A Problems/Problem 23 (→Solution)
- 23:37, 5 August 2014 (diff | hist) . . (+1) . . m 1975 USAMO Problems/Problem 5 (→Solution 3)
- 23:35, 5 August 2014 (diff | hist) . . (-4) . . 1975 USAMO Problems/Problem 5 (→Solution 3)
- 23:35, 5 August 2014 (diff | hist) . . (+1,505) . . 1975 USAMO Problems/Problem 5
- 23:16, 5 August 2014 (diff | hist) . . (+1) . . 1975 USAMO Problems/Problem 2 (→Solution 4 (Vector bash))
- 23:15, 5 August 2014 (diff | hist) . . (+171) . . 1975 USAMO Problems/Problem 2 (→Solution 4 (Vector bash))
- 23:11, 5 August 2014 (diff | hist) . . (+4) . . m 1975 USAMO Problems/Problem 2 (→Solution 4 (Vector bash))
- 23:10, 5 August 2014 (diff | hist) . . (+1,200) . . 1975 USAMO Problems/Problem 2
- 22:16, 5 August 2014 (diff | hist) . . (+1) . . 1973 USAMO Problems/Problem 5 (→Solution 2)
- 22:15, 5 August 2014 (diff | hist) . . (-1) . . 1973 USAMO Problems/Problem 5 (→Solution 2)
- 22:15, 5 August 2014 (diff | hist) . . (+2,450) . . 1973 USAMO Problems/Problem 5 (→Solution)
- 00:12, 4 August 2014 (diff | hist) . . (+1,357) . . 1974 USAMO Problems/Problem 1
- 06:33, 26 July 2014 (diff | hist) . . (+442) . . 1973 USAMO Problems/Problem 4
- 13:35, 15 June 2014 (diff | hist) . . (+138) . . Construction
- 13:33, 15 June 2014 (diff | hist) . . (+2) . . Construction
- 13:32, 15 June 2014 (diff | hist) . . (+18) . . Construction
- 13:32, 15 June 2014 (diff | hist) . . (+1,499) . . Construction
- 13:40, 7 June 2014 (diff | hist) . . (+33) . . 2007 USAMO Problems/Problem 5
- 13:39, 7 June 2014 (diff | hist) . . (+5) . . 2007 USAMO Problems/Problem 5 (→Hint 1 of 3)
- 13:39, 7 June 2014 (diff | hist) . . (-3) . . 2007 USAMO Problems/Problem 5 (→Hint 1 of 3)
- 13:39, 7 June 2014 (diff | hist) . . (+12) . . 2007 USAMO Problems/Problem 5
- 13:38, 7 June 2014 (diff | hist) . . (+365) . . 2007 USAMO Problems/Problem 5 (→Solution)
- 12:37, 7 June 2014 (diff | hist) . . (+185) . . 2007 USAMO Problems/Problem 1 (→Solution 3)
- 12:34, 7 June 2014 (diff | hist) . . (+107) . . 2007 USAMO Problems/Problem 1 (→Solution 1)
- 12:29, 7 June 2014 (diff | hist) . . (+1) . . 2007 USAMO Problems/Problem 1 (→Solution 3)
- 12:26, 7 June 2014 (diff | hist) . . (+1) . . 2007 USAMO Problems/Problem 1 (→Solution 3)
- 12:26, 7 June 2014 (diff | hist) . . (+1,378) . . 2007 USAMO Problems/Problem 1 (→Solution 2)
- 21:43, 6 June 2014 (diff | hist) . . (+21) . . 2006 USAMO Problems (→See Also)
- 21:43, 6 June 2014 (diff | hist) . . (+71) . . 2006 USAMO Problems (→See Also)
- 23:55, 5 June 2014 (diff | hist) . . (-40) . . 1996 USAMO Problems/Problem 1 (→Solution 2)
- 23:52, 5 June 2014 (diff | hist) . . (+836) . . 1996 USAMO Problems/Problem 1 (→Solution)
- 22:18, 5 June 2014 (diff | hist) . . (+45) . . Radical axis (→Results)
- 22:18, 5 June 2014 (diff | hist) . . (+152) . . Radical axis (→Exercises)
- 22:13, 5 June 2014 (diff | hist) . . (+633) . . Radical axis (→Introduction)
- 22:08, 5 June 2014 (diff | hist) . . (+27) . . Radical axis (→Proofs)
- 22:06, 5 June 2014 (diff | hist) . . (+87) . . Radical axis (→Proofs)
- 22:04, 5 June 2014 (diff | hist) . . (+40) . . Radical axis (→Exercises)
- 22:01, 5 June 2014 (diff | hist) . . (+72) . . Radical axis
- 20:32, 5 June 2014 (diff | hist) . . (+189) . . Radical axis (→Exercises)
- 20:26, 5 June 2014 (diff | hist) . . (+32) . . Radical axis (→Proofs)
- 20:23, 5 June 2014 (diff | hist) . . (+357) . . Radical axis
- 20:17, 5 June 2014 (diff | hist) . . (+13) . . Radical axis (→Proofs)
- 20:16, 5 June 2014 (diff | hist) . . (+7) . . Radical axis (→Results)
- 20:15, 5 June 2014 (diff | hist) . . (+355) . . Radical axis (→Proofs)
- 20:11, 5 June 2014 (diff | hist) . . (+1) . . Radical axis (→Proofs)
- 20:11, 5 June 2014 (diff | hist) . . (+1,181) . . Radical axis (→Proofs)
- 19:55, 5 June 2014 (diff | hist) . . (+145) . . Radical axis
- 19:31, 4 June 2014 (diff | hist) . . (+23) . . Radical axis (→Exercises)
- 19:30, 4 June 2014 (diff | hist) . . (+265) . . Radical axis (→Exercises)
- 19:27, 4 June 2014 (diff | hist) . . (+91) . . Radical axis (→Exercises)
- 19:26, 4 June 2014 (diff | hist) . . (+270) . . Radical axis (→Proofs)
- 19:21, 4 June 2014 (diff | hist) . . (+1) . . Radical axis (→Proofs)
- 19:20, 4 June 2014 (diff | hist) . . (+78) . . Power of a Point Theorem (→Proof)
- 19:19, 4 June 2014 (diff | hist) . . (+58) . . Power of a Point Theorem (→Theorem)
- 19:15, 4 June 2014 (diff | hist) . . (+2) . . Radical axis (→Results)
- 19:14, 4 June 2014 (diff | hist) . . (+1,296) . . Radical axis (→Proofs)
- 19:04, 4 June 2014 (diff | hist) . . (+1) . . Radical axis (→Results)
- 19:04, 4 June 2014 (diff | hist) . . (-2) . . Radical axis (→Definitions)
- 19:03, 4 June 2014 (diff | hist) . . (+985) . . Radical axis
- 20:34, 3 June 2014 (diff | hist) . . (+116) . . 2014 USAMO Problems/Problem 4 (→Solution) (current)
- 20:09, 19 May 2014 (diff | hist) . . (-2) . . m 2014 USAMO Problems/Problem 4 (→Solution)
- 20:09, 19 May 2014 (diff | hist) . . (+29) . . 2014 USAMO Problems/Problem 4 (→Solution)
- 20:07, 19 May 2014 (diff | hist) . . (+34) . . 2014 USAMO Problems/Problem 4 (→Solution)
- 13:16, 18 May 2014 (diff | hist) . . (+417) . . 2014 USAJMO Problems/Problem 6 (→Solution)
- 10:47, 17 May 2014 (diff | hist) . . (+1,403) . . 2014 USAJMO Problems/Problem 6 (→Solution)
- 12:21, 15 May 2014 (diff | hist) . . (+9) . . 2014 USAMO Problems/Problem 4 (→Solution)
- 12:17, 15 May 2014 (diff | hist) . . (-375) . . 2014 USAMO Problems/Problem 4 (→Solution)
- 12:07, 15 May 2014 (diff | hist) . . (+2,874) . . 2014 USAMO Problems/Problem 4
- 20:05, 14 May 2014 (diff | hist) . . (+10) . . 2014 USAMO Problems/Problem 1
- 20:05, 14 May 2014 (diff | hist) . . (+10) . . 2014 USAMO Problems/Problem 1 (→Solution)
- 20:04, 14 May 2014 (diff | hist) . . (-7) . . 2014 USAMO Problems/Problem 1 (→Hint)
- 20:04, 14 May 2014 (diff | hist) . . (+85) . . 2014 USAMO Problems/Problem 1 (→Solution)
- 19:09, 14 May 2014 (diff | hist) . . (+52) . . 2014 USAMO Problems/Problem 6 (→Solution)
- 19:09, 1 May 2014 (diff | hist) . . (+134) . . 2014 USAMO Problems/Problem 3 (→Solution 2 (Function Theory)) (current)
- 19:06, 1 May 2014 (diff | hist) . . (+4) . . m 2014 USAMO Problems/Problem 3 (→Solution 2 (Function Theory))
- 19:05, 1 May 2014 (diff | hist) . . (+949) . . 2014 USAMO Problems/Problem 3 (→Solution)
- 19:38, 30 April 2014 (diff | hist) . . (+5) . . 2014 USAJMO Problems/Problem 4 (→Solution)
- 19:38, 30 April 2014 (diff | hist) . . (+4) . . 2014 USAJMO Problems/Problem 4 (→Solution)
- 18:13, 30 April 2014 (diff | hist) . . (-5) . . m 2014 USAMO Problems/Problem 4 (→Solution)
- 18:13, 30 April 2014 (diff | hist) . . (+639) . . 2014 USAMO Problems/Problem 4 (→Solution)
- 18:08, 30 April 2014 (diff | hist) . . (+4) . . m 2014 USAJMO Problems/Problem 4 (→Solution)
- 18:07, 30 April 2014 (diff | hist) . . (0) . . m 2014 USAJMO Problems/Problem 4 (→Solution)
- 18:06, 30 April 2014 (diff | hist) . . (+1,411) . . 2014 USAJMO Problems/Problem 4 (→Solution)
- 20:45, 29 April 2014 (diff | hist) . . (+66) . . 2014 USAJMO Problems/Problem 2 (→Solution)
- 20:44, 29 April 2014 (diff | hist) . . (0) . . m 2014 USAJMO Problems (→Problem 2)
- 20:44, 29 April 2014 (diff | hist) . . (-6) . . 2014 USAJMO Problems (→Problem 2)
- 23:46, 28 April 2014 (diff | hist) . . (-2) . . 1966 IMO Problems/Problem 1 (→Solution)
- 23:45, 28 April 2014 (diff | hist) . . (+845) . . 1966 IMO Problems/Problem 1
- 23:37, 28 April 2014 (diff | hist) . . (+1) . . m 1966 IMO Problems/Problem 1
- 23:30, 28 April 2014 (diff | hist) . . (+1) . . 2013 USAJMO Problems/Problem 5 (→Solution 1)
- 23:29, 28 April 2014 (diff | hist) . . (+2) . . 2013 USAJMO Problems/Problem 5 (→Solution 2)
- 23:29, 28 April 2014 (diff | hist) . . (-53) . . 2013 USAJMO Problems/Problem 5 (→Problem)
- 23:29, 28 April 2014 (diff | hist) . . (+1,112) . . 2013 USAJMO Problems/Problem 5 (→Solution)
- 00:16, 24 April 2014 (diff | hist) . . (+325) . . 2012 USAMO Problems/Problem 1 (→Solution 2)
- 00:12, 24 April 2014 (diff | hist) . . (+4) . . 2012 USAMO Problems/Problem 1 (→Solution 2)
- 00:11, 24 April 2014 (diff | hist) . . (0) . . m 2012 USAMO Problems/Problem 1 (→Solution 2)
- 00:11, 24 April 2014 (diff | hist) . . (+15) . . 2012 USAMO Problems/Problem 1 (→Solution 2)
- 00:10, 24 April 2014 (diff | hist) . . (+1,205) . . 2012 USAMO Problems/Problem 1 (→Solution)
- 23:05, 22 April 2014 (diff | hist) . . (+54) . . 1997 USAMO Problems/Problem 5 (→Solution 2)
- 23:05, 22 April 2014 (diff | hist) . . (+1) . . m 1997 USAMO Problems/Problem 5 (→Solution 2)
- 23:04, 22 April 2014 (diff | hist) . . (+110) . . 1997 USAMO Problems/Problem 5 (→Solution 2)
- 22:59, 22 April 2014 (diff | hist) . . (+6) . . 1997 USAMO Problems/Problem 5 (→Solution 2)
- 22:58, 22 April 2014 (diff | hist) . . (+1) . . 1997 USAMO Problems/Problem 5 (→Solution 2)
- 22:58, 22 April 2014 (diff | hist) . . (+690) . . 1997 USAMO Problems/Problem 5 (→Solution)
- 22:51, 22 April 2014 (diff | hist) . . (-4) . . m 1997 USAMO Problems/Problem 5 (→Solution)
- 23:18, 21 April 2014 (diff | hist) . . (0) . . 1995 IMO Problems/Problem 2 (→Solution 3b)
- 23:17, 21 April 2014 (diff | hist) . . (+532) . . 1995 IMO Problems/Problem 2 (→Solution 3)
- 23:08, 21 April 2014 (diff | hist) . . (+64) . . Nesbitt's Inequality (→By Weighted AM-HM)
- 23:06, 21 April 2014 (diff | hist) . . (-13) . . Nesbitt's Inequality (→By Substitution)
- 22:57, 21 April 2014 (diff | hist) . . (-1) . . m 1995 IMO Problems/Problem 2 (→Solution 4)
- 22:57, 21 April 2014 (diff | hist) . . (+591) . . 1995 IMO Problems/Problem 2 (→Solution 3)
- 19:44, 20 April 2014 (diff | hist) . . (+127) . . 2010 USAMO Problems/Problem 1 (→Solution)
- 19:41, 20 April 2014 (diff | hist) . . (+1) . . Thales' theorem
- 19:41, 20 April 2014 (diff | hist) . . (+1,165) . . Thales' theorem
- 18:40, 20 April 2014 (diff | hist) . . (-1) . . m 1991 AHSME Problems/Problem 7 (→Solution)
- 18:39, 20 April 2014 (diff | hist) . . (+156) . . 1991 AHSME Problems/Problem 7
- 13:20, 20 April 2014 (diff | hist) . . (+26) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:09, 20 April 2014 (diff | hist) . . (+940) . . 2012 USAJMO Problems/Problem 1 (→Solution)
- 15:40, 19 April 2014 (diff | hist) . . (+21) . . 1983 USAMO Problems/Problem 2 (→Solution) (current)
- 15:39, 19 April 2014 (diff | hist) . . (+660) . . 1983 USAMO Problems/Problem 2 (→Solution)
- 15:28, 19 April 2014 (diff | hist) . . (+331) . . 1983 USAMO Problems/Problem 1
- 15:23, 19 April 2014 (diff | hist) . . (+3) . . 1979 USAMO Problems/Problem 3 (→Solution)
- 15:22, 19 April 2014 (diff | hist) . . (+1) . . 1979 USAMO Problems/Problem 3 (→Second Hint)
- 15:21, 19 April 2014 (diff | hist) . . (+988) . . 1979 USAMO Problems/Problem 3
- 15:12, 19 April 2014 (diff | hist) . . (-100) . . 1979 USAMO Problems/Problem 3 (→Second Hint)
- 15:11, 19 April 2014 (diff | hist) . . (-8) . . 1979 USAMO Problems/Problem 4 (→Solution (trig bash))
- 14:12, 19 April 2014 (diff | hist) . . (-8) . . 1987 IMO Problems/Problem 4 (→Solution 3)
- 11:26, 19 April 2014 (diff | hist) . . (+81) . . 2005 USAMO Problems/Problem 2 (→Solution)
- 11:25, 19 April 2014 (diff | hist) . . (-5) . . m 2005 USAMO Problems/Problem 2 (→Solution)
- 11:07, 19 April 2014 (diff | hist) . . (+218) . . 1979 USAMO Problems/Problem 3 (→Hint)
- 11:03, 19 April 2014 (diff | hist) . . (+115) . . 1979 USAMO Problems/Problem 3
- 10:47, 19 April 2014 (diff | hist) . . (+1,174) . . 1979 USAMO Problems/Problem 4 (→Solution)
- 00:50, 19 April 2014 (diff | hist) . . (+2) . . 1992 USAMO Problems/Problem 2 (→Solution 4)
- 00:50, 19 April 2014 (diff | hist) . . (+36) . . 1992 USAMO Problems/Problem 2 (→Solution 4)
- 00:49, 19 April 2014 (diff | hist) . . (0) . . 1992 USAMO Problems/Problem 2 (→Solution 4)
- 00:48, 19 April 2014 (diff | hist) . . (+123) . . 1992 USAMO Problems/Problem 2 (→Solution 4)
- 00:46, 19 April 2014 (diff | hist) . . (+635) . . 1992 USAMO Problems/Problem 2 (→Solution 3)
- 00:22, 19 April 2014 (diff | hist) . . (+4) . . 1979 USAMO Problems (→Problem 5)
- 00:22, 19 April 2014 (diff | hist) . . (+100) . . 1979 USAMO Problems (→Problem 5)
- 00:15, 19 April 2014 (diff | hist) . . (+232) . . 1979 USAMO Problems/Problem 2
- 21:24, 18 April 2014 (diff | hist) . . (+42) . . 2000 USAMO Problems/Problem 2 (→Solution)
- 21:21, 18 April 2014 (diff | hist) . . (+109) . . 2000 USAMO Problems/Problem 2 (→Solution)
- 21:17, 18 April 2014 (diff | hist) . . (0) . . 2000 USAMO Problems/Problem 2 (→Solution)
- 19:02, 18 April 2014 (diff | hist) . . (-1) . . 2000 USAMO Problems (→Problem 4) (current)
- 00:53, 16 April 2014 (diff | hist) . . (+93) . . 2011 USAJMO Problems/Problem 5 (→Solution)
- 00:33, 16 April 2014 (diff | hist) . . (-61) . . 2010 USAMO Problems/Problem 4 (→Solution)
- 00:25, 16 April 2014 (diff | hist) . . (0) . . 2010 USAMO Problems/Problem 4 (→Solution)
- 00:24, 16 April 2014 (diff | hist) . . (0) . . 2010 USAMO Problems/Problem 4 (→Solution)
- 00:04, 15 April 2014 (diff | hist) . . (-20) . . Circle (→Introductory)
- 00:03, 15 April 2014 (diff | hist) . . (+526) . . Circle
- 23:40, 14 April 2014 (diff | hist) . . (+95) . . 2014 USAJMO
- 21:54, 14 April 2014 (diff | hist) . . (+58) . . 2010 USAJMO Problems/Problem 4 (→Solution 2)
- 18:27, 14 April 2014 (diff | hist) . . (-2) . . 2013 USAJMO Problems/Problem 6 (→Problem 6)
- 18:27, 14 April 2014 (diff | hist) . . (+149) . . 2013 USAJMO Problems/Problem 6
- 11:47, 14 April 2014 (diff | hist) . . (+214) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:45, 14 April 2014 (diff | hist) . . (-6) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:44, 14 April 2014 (diff | hist) . . (+2) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:43, 14 April 2014 (diff | hist) . . (+48) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:42, 14 April 2014 (diff | hist) . . (+33) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:39, 14 April 2014 (diff | hist) . . (+1,248) . . 2013 USAJMO Problems/Problem 6 (→Solution with Thought Process)
- 11:13, 14 April 2014 (diff | hist) . . (+1,035) . . 2013 USAJMO Problems/Problem 6 (→Solution)
- 10:56, 14 April 2014 (diff | hist) . . (0) . . 2013 USAJMO Problems/Problem 6 (→Solution)
- 10:55, 14 April 2014 (diff | hist) . . (+17) . . 2013 USAJMO Problems/Problem 6 (→Solution)
- 10:40, 14 April 2014 (diff | hist) . . (+134) . . N 2013 USAJMO Problems/Problem 6 (Created page with "==Solution== Without loss of generality, let x < y < z. Then <math>\sqrt{x + xyz} = \sqrt{x - 1} + \sqrt{y - 1} + \sqrt{z - 1}</math>.")
- 17:06, 13 April 2014 (diff | hist) . . (+2) . . m 2012 USAJMO Problems (→Problem 4)
- 19:48, 12 April 2014 (diff | hist) . . (+591) . . 2012 USAJMO Problems/Problem 3 (→Solution 2)
- 19:35, 12 April 2014 (diff | hist) . . (+59) . . 2011 USAMO Problems/Problem 4 (→Solution 2)
- 00:40, 12 April 2014 (diff | hist) . . (-5) . . 2008 Mock ARML 2 Problems/Problem 8 (→Solution)
- 00:31, 12 April 2014 (diff | hist) . . (+87) . . N 2013 USAJMO Problems (Created page with "Please redirect to http://www.artofproblemsolving.com/Wiki/index.php?title=2013_USAJMO.")
- 00:16, 12 April 2014 (diff | hist) . . (-21) . . AoPS Wiki:Requests
- 00:15, 12 April 2014 (diff | hist) . . (+343) . . N Symmetry (Created page with "A proof utilizes '''symmetry''' if the steps to prove one thing is identical to those steps of another. For example, to prove that in triangle ABC with all three sides congruent ...")
- 00:05, 12 April 2014 (diff | hist) . . (+19) . . Infinite Descent
- 00:04, 12 April 2014 (diff | hist) . . (+14) . . Infinite Descent
- 00:03, 12 April 2014 (diff | hist) . . (+1,659) . . N Infinite Descent (Created page with "'''Infinite Descent''' is a method of proof which utilizes the extremal principle to contradict the extremality of an extreme object. This principle is best described using an ex...")
- 23:37, 11 April 2014 (diff | hist) . . (+99) . . 2010 USAJMO Problems/Problem 4 (→Problem)
- 23:13, 11 April 2014 (diff | hist) . . (+1,289) . . 2010 USAJMO Problems/Problem 4 (→Solution)
- 22:45, 11 April 2014 (diff | hist) . . (+6) . . 2014 AIME II Problems/Problem 9 (→Solution 3 (Complementary Counting))
- 22:29, 11 April 2014 (diff | hist) . . (+637) . . 2014 AIME II Problems/Problem 11 (→Solution)
- 21:53, 11 April 2014 (diff | hist) . . (+329) . . 2014 AIME II Problems/Problem 13 (→Solution)
- 21:47, 11 April 2014 (diff | hist) . . (+7) . . 2014 AIME II Problems/Problem 13 (→Solution)
- 21:59, 7 April 2014 (diff | hist) . . (+491) . . N 1996 USAMO Problems/Problem 3 (Created page with "==Problem== Let <math>ABC</math> be a triangle. Prove that there is a line <math>l</math> (in the plane of triangle <math>ABC</math>) such that the intersection of the interior o...")
- 21:52, 7 April 2014 (diff | hist) . . (-21) . . 1996 USAMO Problems/Problem 1
- 17:21, 7 April 2014 (diff | hist) . . (+144) . . 2014 AIME II Problems/Problem 9 (→Solution 3 (Complementary Counting))
- 17:19, 7 April 2014 (diff | hist) . . (+80) . . 2014 AIME II Problems/Problem 9 (→Solution 3 (Complementary Counting))
- 17:18, 7 April 2014 (diff | hist) . . (+2) . . 2014 AIME II Problems/Problem 9 (→Solution 3 (Complementary Counting))
- 17:18, 7 April 2014 (diff | hist) . . (+963) . . 2014 AIME II Problems/Problem 9 (→Solution 3 (Complementary Counting))
- 17:08, 7 April 2014 (diff | hist) . . (+98) . . 2014 AIME II Problems/Problem 9 (→Solution 2 (PIE))
- 17:07, 7 April 2014 (diff | hist) . . (+930) . . 2014 AIME II Problems/Problem 9
- 17:22, 5 April 2014 (diff | hist) . . (0) . . 2003 USAMO Problems/Problem 4 (→Solution 2)
- 17:21, 5 April 2014 (diff | hist) . . (+520) . . 2003 USAMO Problems/Problem 4 (→Solution)
- 22:32, 29 March 2014 (diff | hist) . . (+30) . . m 2010 USAJMO Problems/Problem 1
- 20:46, 28 March 2014 (diff | hist) . . (-545) . . 2014 AIME II Problems/Problem 9 (→Solution)
- 19:03, 28 March 2014 (diff | hist) . . (+765) . . N 2014 AIME II Problems/Problem 5 (Created page with "==Solution== Let r, s, -r-s be the roots of p(x) (per Vieta's). Then <math>r^3 + ar + b = 0</math> and similarly for s. Also, <cmath>q(r+4) = (r+4)^3 + a(r+4) + b = 12r^2 + 48r +...")
- 18:41, 28 March 2014 (diff | hist) . . (+837) . . N 2014 AIME II Problems/Problem 13 (Created page with "==Solution== Let the left shoes be L1 ... L10 and the right shoes be R1 ... R10. Notice that there are 10 * 9 * 8 * ... * 1 = 10! possible pairings. To calculate the possible cas...")
- 18:18, 28 March 2014 (diff | hist) . . (0) . . 2014 AIME II Problems/Problem 9 (→Solution)
- 10:58, 28 March 2014 (diff | hist) . . (+545) . . N 2014 AIME II Problems/Problem 9 (Created page with "==Solution== Starting with small cases, we see that four chairs give 4 + 1 = 5, five chairs give 5 + 5 + 1 = 11, and six chairs give 6 + 6 + 6 + 6 + 1 = 25. Thus, I claim that n ...")
- 10:53, 28 March 2014 (diff | hist) . . (+48) . . 2014 AIME II Problems/Problem 15 (→Solution)
- 10:52, 28 March 2014 (diff | hist) . . (+218) . . 2014 AIME II Problems/Problem 15
- 00:07, 25 March 2014 (diff | hist) . . (+250) . . 2009 AIME I Problems/Problem 1 (→Solution 2)
- 22:38, 24 March 2014 (diff | hist) . . (+17) . . 2007 AIME I Problems/Problem 9 (→Solution 8)
- 22:37, 24 March 2014 (diff | hist) . . (+2) . . 2007 AIME I Problems/Problem 9 (→Solution 8)
- 22:36, 24 March 2014 (diff | hist) . . (+689) . . 2007 AIME I Problems/Problem 9 (→Solution 7)
- 21:42, 22 March 2014 (diff | hist) . . (+11) . . 2014 AIME I Problems/Problem 11 (→Solution (casework 2))
- 21:41, 22 March 2014 (diff | hist) . . (+1) . . 2014 AIME I Problems/Problem 11 (→Solution (casework 2))
- 21:41, 22 March 2014 (diff | hist) . . (0) . . 2014 AIME I Problems/Problem 11 (→Solution (casework 2))
- 21:40, 22 March 2014 (diff | hist) . . (+9) . . 2014 AIME I Problems/Problem 11 (→Solution (casework 2))
- 21:39, 22 March 2014 (diff | hist) . . (+54) . . 2014 AIME I Problems/Problem 11 (→Solution (casework 2))
- 21:37, 22 March 2014 (diff | hist) . . (+932) . . 2014 AIME I Problems/Problem 11 (→Solution (casework))
- 20:12, 22 March 2014 (diff | hist) . . (-9) . . 2011 AIME I Problems/Problem 13 (→Solution 2)
- 20:11, 22 March 2014 (diff | hist) . . (+613) . . 2011 AIME I Problems/Problem 13 (→Solution)
- 20:26, 18 March 2014 (diff | hist) . . (+360) . . 2011 USAMO Problems/Problem 4 (→Solution 2)
- 20:17, 18 March 2014 (diff | hist) . . (-1) . . 2011 USAMO Problems/Problem 4 (→Solution 2)
- 20:16, 18 March 2014 (diff | hist) . . (+8) . . 2011 USAMO Problems/Problem 4 (→Solution 2)
- 20:13, 18 March 2014 (diff | hist) . . (+4) . . 2011 USAMO Problems/Problem 4 (→Solution 2)
- 20:13, 18 March 2014 (diff | hist) . . (+676) . . 2011 USAMO Problems/Problem 4
- 13:44, 16 March 2014 (diff | hist) . . (0) . . 2013 USAJMO Problems/Problem 1 (→Solution 2)
- 13:43, 16 March 2014 (diff | hist) . . (+38) . . 2013 USAJMO Problems/Problem 1 (→Solution 2)
- 13:40, 16 March 2014 (diff | hist) . . (+1,270) . . 2013 USAJMO Problems/Problem 1 (→Solution)
- 22:06, 22 February 2014 (diff | hist) . . (+654) . . 2013 AIME II Problems/Problem 14
- 00:13, 13 February 2014 (diff | hist) . . (+354) . . 2013 AIME II Problems/Problem 5 (→Solution)
- 21:28, 2 February 2014 (diff | hist) . . (+500) . . 2013 AMC 12B Problems/Problem 19 (→Solution)