11 May 2013

• 18:2318:23, 11 May 2013 diff hist +205 2013 USAMO →Problem 6
• 18:2318:23, 11 May 2013 diff hist +75 2013 USAMO →Problem 5
• 18:2218:22, 11 May 2013 diff hist +118 2013 USAMO →Problem 4
• 18:2218:22, 11 May 2013 diff hist +158 2013 USAMO →Problem 3
• 18:2118:21, 11 May 2013 diff hist +163 2013 USAMO →Problem 2
• 18:2118:21, 11 May 2013 diff hist +257 2013 USAMO →Problem 1
• 18:1918:19, 11 May 2013 diff hist +117 2013 USAJMO →Problem 6
• 18:1918:19, 11 May 2013 diff hist +321 2013 USAJMO →Problem 5
• 18:1918:19, 11 May 2013 diff hist +238 2013 USAJMO →Problem 4
• 18:1818:18, 11 May 2013 diff hist −6 2013 USAJMO →Problem 2
• 18:1818:18, 11 May 2013 diff hist +111 2013 USAJMO →Problem 2
• 18:1718:17, 11 May 2013 diff hist +293 2013 USAJMO →Problem 3
• 18:1618:16, 11 May 2013 diff hist +69 2013 USAJMO →Day 1

10 February 2013

• 13:0513:05, 10 February 2013 diff hist 0 2012 AMC 12B Problems/Problem 25 →Solution 2
• 13:0513:05, 10 February 2013 diff hist −1,106 2012 AMC 12B Problems/Problem 25 →Solution 1

30 October 2012

• 13:2013:20, 30 October 2012 diff hist +401 1970 IMO Problems/Problem 5 →Solution

4 October 2012

• 16:0516:05, 4 October 2012 diff hist +931 N Rapid Rabbit Relays Created page with "'''Rapid Rabbit Relays''' is an event during the Detroit Country Day Math Invitational Contest. The Rapid Rabbit Relays are structured such that there are 4 members in each team-..." current

2 October 2012

• 13:2813:28, 2 October 2012 diff hist +488 2006 IMO Problems/Problem 4 No edit summary
• 13:2713:27, 2 October 2012 diff hist +22 2006 IMO Problems/Problem 4 No edit summary

24 August 2012

• 13:4113:41, 24 August 2012 diff hist +534 2012 AIME I Problems/Problem 6 No edit summary
• 13:3913:39, 24 August 2012 diff hist +483 2012 AIME I Problems/Problem 2 No edit summary
• 13:3813:38, 24 August 2012 diff hist +2 2012 AIME I Problems/Problem 1 No edit summary
• 13:3813:38, 24 August 2012 diff hist +17 2012 AIME I Problems/Problem 1 No edit summary
• 13:3713:37, 24 August 2012 diff hist +803 2012 AIME I Problems/Problem 1 No edit summary

29 July 2012

• 21:0921:09, 29 July 2012 diff hist +26 2002 AMC 8 Problems/Problem 14 →Solution #1
• 21:0921:09, 29 July 2012 diff hist −62 2002 AMC 8 Problems/Problem 14 →Solution #1
• 21:0721:07, 29 July 2012 diff hist −13 2002 AMC 8 Problems/Problem 14 →Solution #2

17 July 2012

• 16:1016:10, 17 July 2012 diff hist +1 1980 AHSME Problems/Problem 1 →Problem

16 July 2012

• 12:1112:11, 16 July 2012 diff hist +498 N 1980 AHSME Problems/Problem 10 Created page with "==Problem== The number of teeth in three meshed gears <math>A</math>, <math>B</math>, and <math>C</math> are <math>x</math>, <math>y</math>, and <math>z</math>, respectively. (T..."
• 12:1112:11, 16 July 2012 diff hist +398 N 1980 AHSME Problems/Problem 9 Created page with "==Problem== A man walks <math>x</math> miles due west, turns <math>150^\circ</math> to his left and walks 3 miles in the new direction. If he finishes a a point <math>\sqrt{3}</..."
• 12:1112:11, 16 July 2012 diff hist +352 N 1980 AHSME Problems/Problem 8 Created page with "==Problem== How many pairs <math>(a,b)</math> of non-zero real numbers satisfy the equation <cmath> \frac{1}{a} + \frac{1}{b} = \frac{1}{a+b} </cmath> <math>\text{(A)} \ \text..."
• 12:1012:10, 16 July 2012 diff hist +903 N 1980 AHSME Problems/Problem 7 Created page with "==Problem== Sides <math>AB,BC,CD</math> and <math>DA</math> of convex polygon <math>ABCD</math> have lengths 3,4,12, and 13, respectively, and <math>\measuredangle CBA</math> is..."
• 12:1012:10, 16 July 2012 diff hist +265 N 1980 AHSME Problems/Problem 6 Created page with "==Problem== A positive number <math>x</math> satisfies the inequality <math>\sqrt{x} < 2x</math> if and only if <math>\text{(A)} \ x > \frac{1}{4} \qquad \text{(B)} \ x > 2 \qqu..."
• 12:0912:09, 16 July 2012 diff hist +782 N 1980 AHSME Problems/Problem 5 Created page with "==Problem== If <math>AB</math> and <math>CD</math> are perpendicular diameters of circle <math>Q</math>, <math>P</math> in <math>\overline{AQ}</math>, and <math>\measuredangle Q..."
• 12:0812:08, 16 July 2012 diff hist +723 N 1980 AHSME Problems/Problem 4 Created page with "==Problem== In the adjoining figure, CDE is an equilateral triangle and ABCD and DEFG are squares. The measure of <math>\angle GDA</math> is <math>\text{(A)} \ 90^\circ \qquad ..."
• 12:0712:07, 16 July 2012 diff hist +307 N 1980 AHSME Problems/Problem 3 Created page with "==Problem== If the ratio of <math>2x-y</math> to <math>x+y</math> is <math>\frac{2}{3}</math>, what is the ratio of <math>x</math> to <math>y</math>? <math>\text{(A)} \ \frac{1..."
• 12:0712:07, 16 July 2012 diff hist −2 1980 AHSME Problems/Problem 1 No edit summary
• 12:0712:07, 16 July 2012 diff hist −2 1980 AHSME Problems/Problem 2 No edit summary
• 12:0712:07, 16 July 2012 diff hist +217 N 1980 AHSME Problems/Problem 2 Created page with "==Problem 2== The degree of <math>(x^2+1)^4 (x^3+1)^3</math> as a polynomial in <math>x</math> is <math>\text{(A)} \ 5 \qquad \text{(B)} \ 7 \qquad \text{(C)} \ 12 \qquad \text{..."
• 12:0612:06, 16 July 2012 diff hist +214 N 1980 AHSME Problems/Problem 1 Created page with "==Problem 1== The largest whole number such that seven times the number is less than 100 is <math>\text{(A)} \ 12 \qquad \text{(B)} \ 13 \qquad \text{(C)} \ 14 \qquad \text{(D)..."

4 May 2012

• 12:0712:07, 4 May 2012 diff hist +37 AoPS Wiki:FAQ →What do some of the acronyms such as "OP" stand for?

9 April 2012

• 18:4218:42, 9 April 2012 diff hist +54 Mock AIME 3 Pre 2005/Problem 15 Redirected page to Mock AIME 3 Pre 2005 Problems/Problem 15 current
• 18:4218:42, 9 April 2012 diff hist −54 Mock AIME 3 Pre 2005/Problem 15 Blanked the page

4 April 2012

• 20:0820:08, 4 April 2012 diff hist +185 Pick's Theorem No edit summary
• 09:3909:39, 4 April 2012 diff hist −30 AoPS Wiki:Community portal No edit summary

24 February 2012

• 15:1015:10, 24 February 2012 diff hist +564 N 2012 AMC 12B Problems/Problem 21 Created page with "==Problem== Square <math>AXYZ</math> is inscribed in equiangular hexagon <math>ABCDEF</math> with <math>X</math> on <math>\overline{BC}</math>, <math>Y</math> on <math>\overline..."
• 15:0915:09, 24 February 2012 diff hist +409 N 2012 AMC 12B Problems/Problem 17 Created page with "==Problem== Square <math>PQRS</math> lies in the first quadrant. Points <math>(3,0), (5,0), (7,0),</math> and <math>(13,0)</math> lie on lines <math>SP, RQ, PQ</math>, and <math..."
• 15:0215:02, 24 February 2012 diff hist +85 m 2012 AMC 12B Problems/Problem 2 →Solution

21 February 2012

• 10:0110:01, 21 February 2012 diff hist +54 Stanford Mathematics Tournament Problems No edit summary
• 10:0110:01, 21 February 2012 diff hist +212 N Stanford Mathematics Tournament Problems Created page with "Stanford Mathematics Tournament problems and solutions by test: * 2000 * 2001 * 2002 * 2003 * 2004 * 2005 * 2006 * 2007 * 2008 * [[2009]..."