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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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 (diff | hist) . . (+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)
- 12:33, 9 January 2017 (diff | hist) . . (+1,057) . . N 1979 AHSME Problems/Problem 19 (Created page with "== Problem 19 == Find the sum of the squares of all real numbers satisfying the equation <math>x^{256}-256^{32}=0</math>. <math>\textbf{(A) }8\qquad \textbf{(B) }128\qquad...")
- 16:07, 8 January 2017 (diff | hist) . . (-1) . . m 1979 AHSME Problems/Problem 18 (→Solution) (current)
- 16:06, 8 January 2017 (diff | hist) . . (+1,070) . . N 1979 AHSME Problems/Problem 18 (Created page with "== Problem 18 == To the nearest thousandth, <math>\log_{10}2</math> is <math>.301</math> and <math>\log_{10}3</math> is <math>.477</math>. Which of the following is the bes...")
- 13:45, 6 January 2017 (diff | hist) . . (+2,218) . . N 1979 AHSME Problems/Problem 17 (Created page with "== Problem 17 == <asy> size(200); dotfactor=3; pair A=(0,0),B=(1,0),C=(2,0),D=(3,0),X=(1.2,0.7); draw(A--D); dot(A);dot(B);dot(C);dot(D); draw(arc((0.4,0.4),0.4,180,110),arr...") (current)
- 13:28, 6 January 2017 (diff | hist) . . (+976) . . N 1979 AHSME Problems/Problem 16 (Created page with "== Problem 16 == A circle with area <math>A_1</math> is contained in the interior of a larger circle with area <math>A_1+A_2</math>. If the radius of the larger circle is <m...") (current)
- 13:21, 6 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 15 (→Solution) (current)
- 13:21, 6 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 15 (→Solution)
- 13:20, 6 January 2017 (diff | hist) . . (+1,318) . . N 1979 AHSME Problems/Problem 15 (Created page with "== Problem 15 == Two identical jars are filled with alcohol solutions, the ratio of the volume of alcohol to the volume of water being <math>p : 1</math> in one jar and <m...")
- 13:10, 6 January 2017 (diff | hist) . . (+2) . . m 1979 AHSME Problems/Problem 14 (→Solution) (current)
- 13:10, 6 January 2017 (diff | hist) . . (+1,098) . . N 1979 AHSME Problems/Problem 14 (Created page with "== Problem 14 == In a certain sequence of numbers, the first number is <math>1</math>, and, for all <math>n\ge 2</math>, the product of the first <math>n</math> numbers in...")
- 13:05, 6 January 2017 (diff | hist) . . (+14) . . m 1979 AHSME Problems/Problem 13 (→Solution) (current)
- 13:05, 6 January 2017 (diff | hist) . . (+2) . . m 1979 AHSME Problems/Problem 13 (→Solution)
- 13:05, 6 January 2017 (diff | hist) . . (+792) . . N 1979 AHSME Problems/Problem 13 (Created page with "== Problem 13 == The inequality <math>y-x<\sqrt{x^2}</math> is satisfied if and only if <math>\textbf{(A) }y<0\text{ or }y<2x\text{ (or both inequalities hold)}\qquad \tex...")
- 12:58, 6 January 2017 (diff | hist) . . (+8) . . m 1979 AHSME Problems/Problem 12 (→Solution)
- 12:57, 6 January 2017 (diff | hist) . . (+571) . . m 1979 AHSME Problems/Problem 12 (→Solution)
- 12:37, 6 January 2017 (diff | hist) . . (+1,264) . . N 1979 AHSME Problems/Problem 12 (Created page with "== Problem 12 == <asy> size(200); pair A=(-2,0),B,C=(-1,0),D=(1,0),EE,O=(0,0); draw(arc(O,1, 0, 180)); EE=midpoint(arc(O,1, 0, 90)); draw(A--EE); draw(A--D); B=intersection...")
- 12:33, 6 January 2017 (diff | hist) . . (+304) . . m 1979 AHSME Problems/Problem 10 (→Solution) (current)
- 12:28, 6 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 11 (→See also) (current)
- 12:28, 6 January 2017 (diff | hist) . . (-1) . . m 1979 AHSME Problems/Problem 11 (→See also)
- 12:27, 6 January 2017 (diff | hist) . . (+784) . . N 1979 AHSME Problems/Problem 11 (Created page with "== Problem 11 == Find a positive integral solution to the equation <math>\frac{1+3+5+\dots+(2n-1)}{2+4+6+\dots+2n}=\frac{115}{116}</math> <math>\textbf{(A) }110\qquad \text...")
- 13:24, 5 January 2017 (diff | hist) . . (+606) . . N 1979 AHSME Problems/Problem 10 (Created page with "== Problem 10 == If <math>P_1P_2P_3P_4P_5P_6</math> is a regular hexagon whose apothem (distance from the center to midpoint of a side) is <math>2</math>, and <math>Q_i</ma...")
- 13:17, 5 January 2017 (diff | hist) . . (+663) . . N 1979 AHSME Problems/Problem 9 (Created page with "== Problem 9 == The product of <math>\sqrt[3]{4}</math> and <math>\sqrt[4]{8}</math> equals <math>\textbf{(A) }\sqrt[7]{12}\qquad \textbf{(B) }2\sqrt[7]{12}\qquad \textbf{...") (current)
- 13:12, 5 January 2017 (diff | hist) . . (+1,016) . . N 1979 AHSME Problems/Problem 8 (Created page with "== Problem 8 == Find the area of the smallest region bounded by the graphs of <math>y=|x|</math> and <math>x^2+y^2=4</math>. <math>\textbf{(A) }\frac{\pi}{4}\qquad \textbf{...") (current)
- 13:05, 5 January 2017 (diff | hist) . . (-2) . . m 1979 AHSME Problems/Problem 6 (→See also) (current)
- 13:05, 5 January 2017 (diff | hist) . . (+743) . . N 1979 AHSME Problems/Problem 7 (Created page with "== Problem 7 == The square of an integer is called a perfect square. If <math>x</math> is a perfect square, the next larger perfect square is <math>\textbf{(A) }x+1\qquad \...") (current)
- 13:01, 5 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 6 (→See also)
- 13:00, 5 January 2017 (diff | hist) . . (+688) . . N 1979 AHSME Problems/Problem 6 (Created page with "== Problem 6 == <math>\frac{3}{2}+\frac{5}{4}+\frac{9}{8}+\frac{17}{16}+\frac{33}{32}+\frac{65}{64}-7=</math> <math>\textbf{(A) }-\frac{1}{64}\qquad \textbf{(B) }-\frac{1}{...")
- 12:54, 5 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 5 (→See also) (current)
- 12:50, 5 January 2017 (diff | hist) . . (-1) . . m 1979 AHSME Problems/Problem 5 (→See also)
- 12:49, 5 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 3 (→See also)
- 12:48, 5 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 1 (→See also) (current)
- 12:47, 5 January 2017 (diff | hist) . . (-4) . . AoPS Wiki:Tutorial (→Learning About AoPSWiki)
- 12:47, 5 January 2017 (diff | hist) . . (+157) . . AoPS Wiki:Tutorial (Undo revision 82179 by E power pi times i (talk))
- 12:40, 5 January 2017 (diff | hist) . . (-144) . . m AoPS Wiki:Tutorial (→Creating an Article)
- 12:29, 5 January 2017 (diff | hist) . . (+787) . . N 1979 AHSME Problems/Problem 5 (Created page with "== Problem 5 == Find the sum of the digits of the largest even three digit number (in base ten representation) which is not changed when its units and hundreds digits are i...")
- 13:31, 3 January 2017 (diff | hist) . . (+425) . . N 1979 AHSME Problems/Problem 4 (Created page with "== Problem 4 == For all real numbers <math>x, x[x\{x(2-x)-4\}+10]+1=</math> <math>\textbf{(A) }-x^4+2x^3+4x^2+10x+1\qquad \textbf{(B) }-x^4-2x^3+4x^2+10x+1\qquad\\ \textbf...") (current)
- 13:29, 3 January 2017 (diff | hist) . . (-7) . . m 1979 AHSME Problems/Problem 3 (→See also)
- 13:28, 3 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 3 (→See also)
- 13:28, 3 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 3 (→Solution)
- 13:27, 3 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 3 (→Solution)
- 13:27, 3 January 2017 (diff | hist) . . (+4) . . m 1979 AHSME Problems/Problem 3 (→Solution)
- 13:26, 3 January 2017 (diff | hist) . . (+1,071) . . N 1979 AHSME Problems/Problem 3 (Created page with "== Problem 3 == <asy> real s=sqrt(3)/2; draw(box((0,0),(1,1))); draw((1+s,0.5)--(1,1)); draw((1+s,0.5)--(1,0)); draw((0,1)--(1+s,0.5)); label("$A$",(1,1),N); label("$B$",(1...")
- 13:22, 3 January 2017 (diff | hist) . . (+115) . . m 1979 AHSME Problems/Problem 2 (→Solution)
- 13:19, 3 January 2017 (diff | hist) . . (+290) . . m 1979 AHSME Problems/Problem 2 (→Solution)
- 13:17, 3 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 1 (→See also)
- 13:17, 3 January 2017 (diff | hist) . . (+129) . . m 1979 AHSME Problems/Problem 1 (→Solution)
- 13:16, 3 January 2017 (diff | hist) . . (+942) . . N 1979 AHSME Problems/Problem 1 (Created page with "== Problem 1 == <asy> draw((-2,1)--(2,1)--(2,-1)--(-2,-1)--cycle); draw((0,0)--(0,-1)--(-2,-1)--(-2,0)--cycle); label("$F$",(0,0),E); label("$A$",(-2,1),W); label("$B$",(2,1)...")
- 12:55, 3 January 2017 (diff | hist) . . (+496) . . 1986 AHSME Problems/Problem 17 (→Solution)
- 01:26, 29 December 2016 (diff | hist) . . (-136) . . m 2001 AMC 12 Problems/Problem 23 (→Solution 2)
- 01:26, 29 December 2016 (diff | hist) . . (+136) . . m 2001 AMC 12 Problems/Problem 23 (→Solution 2)
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