# User contributions

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- 14:39, 3 July 2012
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**(+1,516)** . . N Mock AIME 6 2006-2007 (Created page with "'''Mock AIME 6 2006-2007''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. The Mock ...") (current) - 14:38, 3 July 2012 (diff | hist) . . (+29) . . Mock AIME
- 14:37, 3 July 2012 (diff | hist) . . (-11) . . Mock AIME 5 2006-2007 (→See also) (current)
- 14:33, 3 July 2012
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**(+1,527)** . . N Mock AIME 5 2006-2007 (Created page with "'''Mock AIME 5 2006-2007''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. The Mock ...") - 18:09, 18 May 2012 (diff | hist) . . (-88) . . Mock AIME 1 2007-2008 Problems/Problem 11 (→Solution)
- 10:13, 26 April 2012
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**(+2,588)** . . 2012 USAMO Problems/Problem 5 (→Solution) - 18:26, 25 April 2012
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**(+1,844)** . . 2012 USAJMO Problems/Problem 1 (→Solution) - 18:04, 25 April 2012 (diff | hist) . . (+30) . . 2012 USAJMO (current)
- 18:03, 25 April 2012
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**(+615)** . . N 2012 USAJMO Problems/Problem 5 (Created page with "== Problem == For distinct positive integers <math>a</math>, <math>b < 2012</math>, define <math>f(a,b)</math> to be the number of integers <math>k</math> with <math>1 \le k < 2...") - 18:01, 25 April 2012 (diff | hist) . . (+114) . . 2012 USAMO Problems/Problem 6
- 18:00, 25 April 2012 (diff | hist) . . (+34) . . 2012 USAMO Problems/Problem 4 (→See also)
- 18:00, 25 April 2012 (diff | hist) . . (+92) . . 2012 USAMO Problems/Problem 5
- 17:59, 25 April 2012 (diff | hist) . . (+58) . . 2012 USAMO Problems/Problem 4
- 17:57, 25 April 2012
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**(+901)** . . N 2012 USAJMO Problems/Problem 4 (Created page with "== Problem == Let <math>\alpha</math> be an irrational number with <math>0 < \alpha < 1</math>, and draw a circle in the plane whose circumference has length 1. Given any integ...") - 17:56, 25 April 2012 (diff | hist) . . (+13) . . 2012 USAMO Problems/Problem 6 (→Problem)
- 17:55, 25 April 2012
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**(+742)** . . N 2012 USAMO Problems/Problem 6 (Created page with "== Problem == For integer <math>n \ge 2</math>, let <math>x_1</math>, <math>x_2</math>, <math>\dots</math>, <math>x_n</math> be real numbers satisfying <cmath>x_1 + x_2 + \dots ...") - 17:54, 25 April 2012
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**(+508)** . . N 2012 USAMO Problems/Problem 5 (Created page with "== Problem == Let <math>P</math> be a point in the plane of triangle <math>ABC</math>, and <math>\gamma</math> a line passing through <math>P</math>. Let <math>A'</math>, <math...") - 17:54, 25 April 2012 (diff | hist) . . (+299) . . 2012 USAMO Problems/Problem 4 (→Problem)
- 10:20, 25 April 2012 (diff | hist) . . (+30) . . 2012 USAJMO Problems/Problem 3
- 18:40, 24 April 2012
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**(+538)** . . 2012 USAJMO Problems/Problem 3 (→Solution) - 18:30, 24 April 2012 (diff | hist) . . (-12) . . Template:USAJMO box
- 18:27, 24 April 2012
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**(+978)** . . 2012 USAJMO Problems/Problem 3 (→Solution) - 18:26, 24 April 2012 (diff | hist) . . (+53) . . United States of America Junior Mathematical Olympiad
- 18:23, 24 April 2012 (diff | hist) . . (+343) . . N 2012 USAJMO Problems/Problem 3 (Created page with "== Problem == Let <math>a</math>, <math>b</math>, <math>c</math> be positive real numbers. Prove that <cmath>\frac{a^3 + 3b^3}{5a + b} + \frac{b^3 + 3c^3}{5b + c} + \frac{c^3 +...")
- 18:21, 24 April 2012
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**(+735)** . . N 2012 USAJMO Problems/Problem 1 (Created page with "==Problem== Given a triangle <math>ABC</math>, let <math>P</math> and <math>Q</math> be points on segments <math>\overline{AB}</math> and <math>\overline{AC}</math>, respectively...") - 18:19, 24 April 2012 (diff | hist) . . (-14) . . 2012 USAJMO
- 18:18, 24 April 2012
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**(+522)** . . N 2012 USAJMO (Created page with "'''2012 USAJMO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *[[2012 USAJMO Pr...") - 18:14, 24 April 2012 (diff | hist) . . (+17) . . USAJMO Problems and Solutions
- 18:13, 24 April 2012 (diff | hist) . . (+35) . . 2012 USAMO Problems/Problem 1
- 18:13, 24 April 2012 (diff | hist) . . (+35) . . 2012 USAMO Problems/Problem 3
- 18:12, 24 April 2012 (diff | hist) . . (+399) . . N 2012 USAMO Problems/Problem 3 (Created page with "==Problem== Determine which integers <math>n > 1</math> have the property that there exists an infinite sequence <math>a_1</math>, <math>a_2</math>, <math>a_3</math>, <math>\dots...")
- 18:11, 24 April 2012
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**(+529)** . . N 2012 USAMO Problems/Problem 2 (Created page with "==Problem== A circle is divided into 432 congruent arcs by 432 points. The points are colored in four colors such that some 108 points are colored Red, some 108 points are color...") - 18:10, 24 April 2012 (diff | hist) . . (+429) . . N 2012 USAMO Problems/Problem 1 (Created page with "==Problem== Find all integers <math>n \ge 3</math> such that among any <math>n</math> positive real numbers <math>a_1</math>, <math>a_2</math>, <math>\dots</math>, <math>a_n</mat...")
- 18:08, 24 April 2012 (diff | hist) . . (+4) . . 2012 USAMO
- 18:08, 24 April 2012 (diff | hist) . . (+4) . . 2011 USAMO
- 18:08, 24 April 2012 (diff | hist) . . (+463) . . N 2012 USAMO (Created page with "'''2012 USAMO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *[[2012 USAMO Prob...")
- 18:07, 24 April 2012 (diff | hist) . . (+16) . . USAMO Problems and Solutions
- 13:25, 19 March 2012 (diff | hist) . . (+101) . . 2009 AIME I (→See also)
- 11:36, 16 March 2012 (diff | hist) . . (+267) . . N 2012 AIME I Answer Key (Created page with "Return to 2012 AIME I (2012 AIME I Problems) # 040 # 195 # 216 # 279 # 330 # 071 # 280 # 089 # 049 # 170 # 373 # 018 # 041 # 375 # 332 {{AIME box|year=2012|n=I|before=...") (current)
- 11:32, 16 March 2012 (diff | hist) . . (0) . . 2012 AIME I
- 11:31, 16 March 2012
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**(+1,208)** . . N 2012 AIME I (Created page with "'''2012 AIME I''' problems and solutions. The test was held on March 15, 2012. The first link contains the full set of test problems. The rest contain each individual problem an...") - 11:30, 16 March 2012 (diff | hist) . . (+18) . . AIME Problems and Solutions
- 20:44, 15 March 2012 (diff | hist) . . (+101) . . 2010 AIME I (→See also)
- 21:27, 29 November 2011 (diff | hist) . . (0) . . m Roots of unity (→Properties)
- 12:12, 8 September 2011 (diff | hist) . . (0) . . 1995 AIME Problems/Problem 4 (→Solution)
- 13:15, 14 July 2011 (diff | hist) . . (-23) . . 2005 CEMC Gauss (Grade 7) Problems/Problem 1 (→See Also)
- 13:14, 14 July 2011 (diff | hist) . . (+256) . . N 2005 CEMC Gauss (Grade 7) Problems/Problem 1 (Created page with "==Problem== The value of <math>\frac{3 \times 4}{6}</math> is <math>\text{(A)}\ 1 \qquad \text{(B)}\ 2 \qquad \text{(C)}\ 3 \qquad \text{(D)}\ 4 \qquad \text{(E)}\ 6</math> ==...")
- 13:12, 14 July 2011 (diff | hist) . . (+36) . . CEMC Gauss (Grade 7) Problems and Solutions
- 13:11, 14 July 2011 (diff | hist) . . (+38) . . CEMC Gauss (Grade 7)
- 13:10, 14 July 2011 (diff | hist) . . (+39) . . CEMC
- 13:07, 14 July 2011 (diff | hist) . . (+163) . . 2005 CEMC Gauss (Grade 7) Problems (→Problem 1)
- 13:04, 14 July 2011 (diff | hist) . . (+23) . . 2005 CEMC Gauss (Grade 7) Problems (→See also)
- 13:04, 14 July 2011
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**(+1,973)** . . N 2005 CEMC Gauss (Grade 7) Problems (Created page with "== Problem 1 == Solution == Problem 2 == Solution == Problem 3 == [[2005 CE...") - 12:52, 14 July 2011
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**(+1,679)** . . N 2005 CEMC Gauss (Grade 7) (Created page with "2005 CEMC Gauss (Grade 7) problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[2005 CE...") - 12:43, 14 July 2011 (diff | hist) . . (+16) . . CEMC
- 12:42, 14 July 2011 (diff | hist) . . (+149) . . CEMC
- 12:40, 14 July 2011 (diff | hist) . . (+281) . . N CEMC Gauss (Grade 7) Problems and Solutions (Created page with "CEMC Gauss (Grade 7) problems and solutions by test: * 2005 CEMC Gauss (Grade 7) * 2006 CEMC Gauss (Grade 7) * 2007 CEMC Gauss (Grade 7) * [[2008 CEMC Gauss (Gra...")
- 12:38, 14 July 2011 (diff | hist) . . (+159) . . N CEMC Gauss (Grade 7) (Created page with "== Resources == === Links === * [http://www.cemc.uwaterloo.ca/contests/past_contests.html CEMC past contests] * CEMC Gauss (Grade 7) Problems and Solutions")
- 12:36, 14 July 2011 (diff | hist) . . (+216) . . N CEMC (Created page with "== CEMC Contests == * CEMC Gauss (Grade 7) * CEMC Gauss (Grade 8) * CEMC Pascal (Grade 9) * CEMC Cayley (Grade 10) * CEMC Fryer (Grade 9) * CEMC Galois (G...")
- 12:27, 29 April 2011 (diff | hist) . . (+49) . . 2011 USAJMO Problems
- 19:31, 28 April 2011
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**(+522)** . . 2011 USAJMO Problems/Problem 5 - 19:29, 28 April 2011
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**(+1,417)** . . N 2011 USAJMO Problems/Problem 5 (Created page with 'Let <math>O</math> be the center of the circle, and let <math>M</math> be the midpoint of <math>AC</math>. Let <math>\omega</math> denote the circle with diameter <math>OP</math…') - 18:03, 28 April 2011
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**(+2,658)** . . N 2011 USAJMO Problems (Created page with '=Day 1= ==Problem 1== Find, with proof, all positive integers <math>n</math> for which <math>2^n + 12^n + 2011^n</math> is a perfect square. [[2011 USAJMO Problems/Problem 1|Sol…') - 17:59, 28 April 2011
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**(+558)** . . N 2011 USAJMO (Created page with ''''2011 USAJMO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *[[2011 USA…') (current) - 17:56, 28 April 2011 (diff | hist) . . (+17) . . USAJMO Problems and Solutions
- 17:55, 28 April 2011
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**(+3,084)** . . N 2011 USAMO Problems (Created page with '=Day 1= ==Problem 1== Let <math>a</math>, <math>b</math>, <math>c</math> be positive real numbers such that <math>a^2 + b^2 + c^2 + (a + b + c)^2 \le 4</math>. Prove that <cmath…') - 17:53, 28 April 2011 (diff | hist) . . (+463) . . N 2011 USAMO (Created page with ''''2011 USAMO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *[[2011 USAMO Prob…')
- 17:52, 28 April 2011 (diff | hist) . . (+16) . . USAMO Problems and Solutions
- 16:21, 6 April 2011 (diff | hist) . . (-16) . . 2008 AIME II
- 11:20, 2 April 2011 (diff | hist) . . (+93) . . 2011 AIME II
- 12:27, 31 March 2011
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**(-697)** . . 2011 AIME II Answer Key - 12:39, 22 March 2011 (diff | hist) . . (+101) . . 2011 AIME I (→See also)
- 12:38, 22 March 2011 (diff | hist) . . (+102) . . 2010 AIME II (→See also)
- 12:37, 22 March 2011 (diff | hist) . . (+340) . . 2009 AIME II
- 12:34, 22 March 2011 (diff | hist) . . (-16) . . 2008 AIME I
- 12:34, 22 March 2011 (diff | hist) . . (-1) . . 2007 AIME II (current)
- 12:33, 22 March 2011 (diff | hist) . . (-15) . . 2007 AIME II
- 12:32, 22 March 2011 (diff | hist) . . (-16) . . 2007 AIME I (current)
- 12:32, 22 March 2011 (diff | hist) . . (-16) . . 2006 AIME II (current)
- 12:31, 22 March 2011 (diff | hist) . . (-16) . . 2006 AIME I (current)
- 12:30, 22 March 2011 (diff | hist) . . (-16) . . 2005 AIME II (current)
- 12:30, 22 March 2011 (diff | hist) . . (-16) . . 2005 AIME I (current)
- 12:27, 22 March 2011 (diff | hist) . . (+226) . . 2004 USAMO (→Resources) (current)
- 12:24, 22 March 2011 (diff | hist) . . (-16) . . 2004 AIME II (current)
- 12:24, 22 March 2011 (diff | hist) . . (-16) . . 2004 AIME I
- 14:59, 18 March 2011 (diff | hist) . . (+6) . . 2011 AIME I
- 13:56, 18 March 2011
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**(+1,187)** . . 2011 AIME I Problems - 13:16, 18 March 2011 (diff | hist) . . (0) . . 2011 AIME I Problems
- 13:15, 18 March 2011
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**(+8,595)** . . N 2011 AIME I Problems (Created page with '{{AIME Problems|year=2011|n=I}} == Problem 1 == Jar A contains four liters of a solution that is 45% acid. Jar B contains five liters of a solution that is 48% acid. Jar C con…') - 13:08, 18 March 2011 (diff | hist) . . (+265) . . 2011 AIME I
- 13:06, 18 March 2011 (diff | hist) . . (+267) . . N 2011 AIME I Answer Key (Created page with 'Return to 2011 AIME I (2011 AIME I Problems) # 085 # 036 # 031 # 056 # 144 # 011 # 016 # 318 # 192 # 503 # 007 # 594 # 330 # 037 # 098 {{AIME box|year=2011|n=I|before=…') (current)
- 13:04, 18 March 2011 (diff | hist) . . (+18) . . AIME Problems and Solutions
- 19:17, 11 October 2007 (diff | hist) . . (+6) . . AoPS Wiki:Sandbox (→Sandbox Area)
- 17:43, 28 July 2006 (diff | hist) . . (+22) . . AoPS Wiki:AoPS Community Awards (→Bronze medalists)
- 17:43, 28 July 2006 (diff | hist) . . (+22) . . AoPS Wiki:AoPS Community Awards (→Silver medalists)
- 17:42, 28 July 2006 (diff | hist) . . (+28) . . AoPS Wiki:AoPS Community Awards (→Participants)
- 17:39, 28 July 2006 (diff | hist) . . (+20) . . AoPS Wiki:AoPS Community Awards (→Bronze medalists)
- 17:38, 28 July 2006 (diff | hist) . . (+86) . . AoPS Wiki:AoPS Community Awards (→Silver medalists)
- 17:37, 28 July 2006 (diff | hist) . . (+111) . . AoPS Wiki:AoPS Community Awards (→Participants)
- 12:24, 19 June 2006
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**(+920)** . . N Worldwide Online Olympiad Training (Initial Version)

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