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- 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)
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