# User contributions

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- 02:34, 2 January 2019 (diff | hist) . . (+3) . . m 2015 AIME II Problems/Problem 13 (Product to sum identity was written wrong.)
- 20:02, 7 September 2018
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**(+559)** . . 2013 USAJMO Problems/Problem 1 (→Solution 4) - 23:42, 11 May 2018 (diff | hist) . . (-42) . . m 1974 USAMO Problems/Problem 4 (→See Also) (current)
- 23:41, 11 May 2018 (diff | hist) . . (+361) . . 1974 USAMO Problems/Problem 2 (→Solution 3)
- 17:49, 14 April 2018 (diff | hist) . . (+4) . . m 2015 USAJMO Problems/Problem 1 (→Solution 2)
- 17:49, 14 April 2018 (diff | hist) . . (+144) . . m 2015 USAJMO Problems/Problem 1 (→Solution)
- 17:47, 14 April 2018
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**(+1,013)** . . 2015 USAJMO Problems/Problem 1 (→Solution) - 15:15, 7 April 2018 (diff | hist) . . (-85) . . m 2014 USAJMO Problems/Problem 1 (→Solution)
- 19:27, 8 February 2018
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**(+535)** . . 2018 AMC 10A Problems/Problem 23 (→Solution 2) - 18:41, 27 November 2017 (diff | hist) . . (+225) . . m 2017 AMC 8 Problems/Problem 22 (→Solution 3)
- 14:38, 23 August 2017 (diff | hist) . . (-268) . . 1972 AHSME Problems/Problem 30 (→Solution)
- 20:50, 22 August 2017
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**(+1,107)** . . N 1972 AHSME Problems/Problem 30 (Created page with "== Problem 30 == == Solution == Let the rectangle <math>ABCD</math> have crease <math>BE</math> with <math>E</math> on <math>CD</math>, and let <math>F</math> be on <math>A...") - 12:22, 9 May 2017 (diff | hist) . . (-51) . . 1984 AIME Problems/Problem 13 (→Solution 4)
- 12:53, 3 March 2017 (diff | hist) . . (+2) . . m 1983 AIME Problems/Problem 9 (Fixed error)
- 15:14, 23 February 2017
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**(+664)** . . m 2015 AIME II Problems/Problem 8 (→Solution 1 (Proof without words)) - 14:53, 20 February 2017 (diff | hist) . . (+4) . . m 2007 AIME II Problems/Problem 12 (→Solution 2)
- 14:52, 20 February 2017
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**(+569)** . . m 2007 AIME II Problems/Problem 12 (→Solution) - 13:06, 17 February 2017 (diff | hist) . . (+415) . . m 2017 AMC 10B Problems/Problem 17 (→Solution 2)
- 19:26, 16 February 2017 (diff | hist) . . (+345) . . m 2017 AMC 10B Problems/Problem 17 (→Solution)
- 13:32, 16 February 2017 (diff | hist) . . (+24) . . m 2017 AMC 10B Problems/Problem 17 (→Solution)
- 13:32, 16 February 2017 (diff | hist) . . (+274) . . 2017 AMC 10B Problems/Problem 17 (→Solution)
- 13:30, 16 February 2017 (diff | hist) . . (+412) . . m 2017 AMC 10B Problems/Problem 18 (→Solution)
- 13:26, 16 February 2017
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**(+641)** . . m 2017 AMC 10B Problems (→Problem 19) - 13:25, 16 February 2017 (diff | hist) . . (+345) . . m 2017 AMC 10B Problems (→Problem 20)
- 13:19, 16 February 2017 (diff | hist) . . (+458) . . m 2017 AMC 10B Problems (→Problem 12)
- 13:18, 16 February 2017 (diff | hist) . . (+1) . . 2017 AMC 10B Problems/Problem 12 (→Solution)
- 13:14, 16 February 2017 (diff | hist) . . (+461) . . m 2017 AMC 10B Problems/Problem 12 (→Solution)
- 13:04, 16 February 2017 (diff | hist) . . (+458) . . m 2017 AMC 10B Problems/Problem 12 (→Problem)
- 12:57, 16 February 2017 (diff | hist) . . (+473) . . m 2017 AMC 10B Problems/Problem 22 (→Solution)
- 12:51, 16 February 2017 (diff | hist) . . (+330) . . m 2017 AMC 10B Problems (→Problem 6)
- 12:51, 16 February 2017 (diff | hist) . . (+348) . . m 2017 AMC 10B Problems (→Problem 5)
- 12:49, 16 February 2017 (diff | hist) . . (+330) . . m 2017 AMC 10B Problems (→Problem 3)
- 12:47, 16 February 2017 (diff | hist) . . (+277) . . m 2017 AMC 10B Problems/Problem 5 (→Solution)
- 12:45, 16 February 2017 (diff | hist) . . (+3) . . m 2017 AMC 10B Problems/Problem 3 (→Solution)
- 12:44, 16 February 2017
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**(+561)** . . m 2017 AMC 10B Problems/Problem 3 (→Solution) - 12:39, 16 February 2017 (diff | hist) . . (+292) . . m 2017 AMC 10B Problems/Problem 3 (→Solution)
- 12:36, 16 February 2017 (diff | hist) . . (+78) . . m 2017 AMC 10B Problems/Problem 25 (→Solution 1)
- 12:31, 16 February 2017
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**(+562)** . . m 2017 AMC 10B Problems/Problem 23 (→Solution) - 13:01, 10 January 2017 (diff | hist) . . (+31) . . m 1979 AHSME Problems/Problem 24 (→Solution)
- 13:00, 10 January 2017
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**(+657)** . . N 1979 AHSME Problems/Problem 24 (Created page with "== Problem 24 == Sides <math>AB,~ BC</math>, and <math>CD</math> of (simple*) quadrilateral <math>ABCD</math> have lengths <math>4,~ 5</math>, and <math>20</math>, respectiv...") - 12:59, 10 January 2017 (diff | hist) . . (+120) . . m 1979 AHSME Problems/Problem 25 (→Solution)
- 12:58, 10 January 2017 (diff | hist) . . (-1) . . 1979 AHSME Problems/Problem 25
- 12:57, 10 January 2017
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**(+1,185)** . . N 1979 AHSME Problems/Problem 25 (Created page with "== Problem 25 == If <math>q_1 ( x )</math> and <math>r_ 1</math> are the quotient and remainder, respectively, when the polynomial <math>x^ 8</math> is divided by <math>x +...") - 13:27, 9 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 23 (→Solution)
- 13:27, 9 January 2017
(diff | hist) . .
**(+1,280)** . . N 1979 AHSME Problems/Problem 23 (Created page with "== Problem 23 == The edges of a regular tetrahedron with vertices <math>A ,~ B,~ C</math>, and <math>D</math> each have length one. Find the least possible distance between...") - 13:18, 9 January 2017
(diff | hist) . .
**(+815)** . . N 1979 AHSME Problems/Problem 22 (Created page with "== Problem 22 == Find the number of pairs <math>(m, n)</math> of integers which satisfy the equation <math>m^3 + 6m^2 + 5m = 27n^3 + 9n^2 + 9n + 1</math>. <math>\textbf{(A)...") - 13:06, 9 January 2017
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**(+1,479)** . . N 1979 AHSME Problems/Problem 21 (Created page with "== Problem 21 == The length of the hypotenuse of a right triangle is <math>h</math> , and the radius of the inscribed circle is <math>r</math>. The ratio of the area of th...") (current) - 12:51, 9 January 2017 (diff | hist) . . (+6) . . m 1979 AHSME Problems/Problem 20 (→Solution)
- 12:50, 9 January 2017
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**(+1,651)** . . N 1979 AHSME Problems/Problem 20 (Created page with "== Problem 20 == If <math>a=\tfrac{1}{2}</math> and <math>(a+1)(b+1)=2</math> then the radian measure of <math>\arctan a + \arctan b</math> equals <math>\textbf{(A) }\frac{...") - 12:37, 9 January 2017 (diff | hist) . . (+45) . . m 1999 AHSME Problems/Problem 20 (→See also)

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