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• 21:59, 11 February 2012 (diff | hist) . . (-60)‎ . . 2001 AIME II Problems/Problem 7 ‎
• 21:57, 11 February 2012 (diff | hist) . . (+319)‎ . . 2001 AIME II Problems/Problem 7 ‎
• 22:41, 9 February 2012 (diff | hist) . . (+9)‎ . . 2012 AMC 10A Problems/Problem 24 ‎
• 00:10, 10 December 2011 (diff | hist) . . (-6)‎ . . m MATHCOUNTS ‎ (→‎Rewards)
• 00:09, 10 December 2011 (diff | hist) . . (+29)‎ . . m MATHCOUNTS ‎ (→‎Countdown Round)
• 18:04, 24 November 2011 (diff | hist) . . (+25)‎ . . California MathCounts ‎
• 18:04, 24 November 2011 (diff | hist) . . (+48)‎ . . California MathCounts ‎ (→‎History)
• 11:24, 8 August 2011 (diff | hist) . . (+27)‎ . . m Completing the square ‎
• 18:55, 25 July 2011 (diff | hist) . . (+780)‎ . . AoPS Wiki talk:Problem of the Day/July 25, 2011 ‎ (current)
• 18:50, 25 July 2011 (diff | hist) . . (+63)‎ . . N AoPS Wiki talk:Problem of the Day/July 25, 2011 ‎ (Created page with "Find the remainder when <math>2^{2011}</math> is divided by 11.")
• 23:00, 16 July 2011 (diff | hist) . . (+3)‎ . . m Set ‎ (→‎Empty Set)
• 19:43, 14 July 2011 (diff | hist) . . (+544)‎ . . MATHCOUNTS ‎
• 19:32, 14 July 2011 (diff | hist) . . (+11)‎ . . m MATHCOUNTS ‎ (→‎Past Winners)
• 20:29, 1 July 2011 (diff | hist) . . (-1)‎ . . m Completing the square ‎ (→‎General Solution For A Quadratic by Completing the Square)
• 10:01, 1 July 2011 (diff | hist) . . (0)‎ . . m Trigonometric identities ‎ (→‎Even-Odd Identities)
• 09:57, 1 July 2011 (diff | hist) . . (-11)‎ . . m AoPS Wiki talk:Problem of the Day/July 1, 2011 ‎
• 19:22, 30 June 2011 (diff | hist) . . (+1)‎ . . m AoPS Wiki talk:Problem of the Day/July 1, 2011 ‎
• 19:20, 30 June 2011 (diff | hist) . . (+745)‎ . . AoPS Wiki talk:Problem of the Day/July 1, 2011 ‎
• 19:10, 30 June 2011 (diff | hist) . . (+18)‎ . . AoPS Wiki talk:Problem of the Day/July 1, 2011 ‎
• 19:10, 30 June 2011 (diff | hist) . . (-18)‎ . . AoPS Wiki talk:Problem of the Day/July 1, 2011 ‎ (→‎Solution)
• 18:25, 28 June 2011 (diff | hist) . . (+172)‎ . . N User:Williamhu888 ‎ (Created page with "Hey guys, take a look at this: Anybody know Sean Shi who was part of the national Mathcounts team that won this year? I know him a lot and my mom is close friends with his.")
• 19:55, 20 June 2011 (diff | hist) . . (+23)‎ . . Quadratic equation ‎ (→‎See Also)
• 19:50, 20 June 2011 (diff | hist) . . (+1)‎ . . m Vieta's Formulas ‎
• 19:50, 20 June 2011 (diff | hist) . . (+117)‎ . . m Vieta's Formulas ‎
• 13:01, 18 April 2011 (diff | hist) . . (+69)‎ . . Icosidigon ‎ (current)
• 13:01, 18 April 2011 (diff | hist) . . (+123)‎ . . N Icosidigon ‎ (Created page with 'An '''icosidigon''' is a polygon with 22 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:59, 18 April 2011 (diff | hist) . . (+191)‎ . . N Pentacontakaidigon ‎ (Created page with 'A '''pentacontakaidigon''' is a polygon with 52 sides. The sum of its interior angles is <math>9000^{\circ}</math>. ==See Also== * Polygon * Geometry [[Category:Geometr…')
• 12:57, 18 April 2011 (diff | hist) . . (+1)‎ . . Icosihenagon ‎
• 12:56, 18 April 2011 (diff | hist) . . (+124)‎ . . N Icosihenagon ‎ (Created page with 'An ''icosihenagon''' is a polygon with 21 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:55, 18 April 2011 (diff | hist) . . (+1)‎ . . Icosagon ‎ (current)
• 12:55, 18 April 2011 (diff | hist) . . (+120)‎ . . N Icosagon ‎ (Created page with 'An ''icosagon''' is a polygon with 20 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:54, 18 April 2011 (diff | hist) . . (+123)‎ . . N Nonadecagon ‎ (Created page with 'A '''nonadecagon''' is a polygon with 19 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}') (current)
• 12:53, 18 April 2011 (diff | hist) . . (+124)‎ . . N Octadecagon ‎ (Created page with 'An '''octadecagon''' is a polygon with 18 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}') (current)
• 12:52, 18 April 2011 (diff | hist) . . (+124)‎ . . N Heptadecagon ‎ (Created page with 'A '''heptadecagon''' is a polygon with 17 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:52, 18 April 2011 (diff | hist) . . (+183)‎ . . N Hexadecagon ‎ (Created page with 'A '''hexadecagon''' is a polygon with 16 sides. The sum of its angle measures is <math>2520^{\circ}</math>. ==See Also== * Polygon * Geometry Category:Geometry {{s…') (current)
• 12:51, 18 April 2011 (diff | hist) . . (+124)‎ . . N Pentadecagon ‎ (Created page with 'A '''pentadecagon''' is a polygon with 15 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:51, 18 April 2011 (diff | hist) . . (+124)‎ . . N Tetradecagon ‎ (Created page with 'A '''tetradecagon''' is a polygon with 14 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}') (current)
• 12:50, 18 April 2011 (diff | hist) . . (+122)‎ . . N Tridecagon ‎ (Created page with 'A '''tridecagon''' is a polygon with 13 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:49, 18 April 2011 (diff | hist) . . (+26)‎ . . Dodecagon ‎
• 12:48, 18 April 2011 (diff | hist) . . (+122)‎ . . N Hendecagon ‎ (Created page with 'A '''hendecagon''' is a polygon with 11 sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}') (current)
• 12:47, 18 April 2011 (diff | hist) . . (+123)‎ . . N Heptagon ‎ (Created page with 'A '''heptagon''' is a polygon with seven sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 12:47, 18 April 2011 (diff | hist) . . (+120)‎ . . N Decagon ‎ (Created page with 'A '''decagon''' is a polygon with ten sides. ==See Also== * Polygon * Geometry Category:Geometry {{stub}}')
• 21:31, 6 April 2011 (diff | hist) . . (+104)‎ . . Prime number ‎ (→‎Fermat Primes)
• 20:56, 2 April 2011 (diff | hist) . . (-282)‎ . . Math Olympiads for Elementary and Middle Schools ‎ (→‎George Lechner's Passing Away)
• 20:54, 2 April 2011 (diff | hist) . . (+34)‎ . . Factorial ‎ (→‎Additional Information)
• 23:45, 29 March 2011 (diff | hist) . . (-258)‎ . . Deficient number ‎ (Blanked the page)
• 23:43, 29 March 2011 (diff | hist) . . (+57)‎ . . Deficient number ‎
• 23:42, 29 March 2011 (diff | hist) . . (+201)‎ . . N Deficient number ‎ (Created page with 'A positive integer <math>n</math> is abundant if it is smaller than the sum of its factors. == Examples == 3 is abundant because the sum of its factors is greater than itself; i…')
• 23:33, 29 March 2011 (diff | hist) . . (+225)‎ . . Factorial ‎ (→‎Examples)
• 23:30, 29 March 2011 (diff | hist) . . (+99)‎ . . Factorial ‎ (→‎See Also)

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