16 February 2018

• 16:5416:54, 16 February 2018 diff hist +100 m Mock Geometry AIME 2011 Problems/Problem 9 No edit summary current

23 March 2017

• 18:2818:28, 23 March 2017 diff hist +27 2017 AIME II Problems/Problem 12 No edit summary
• 17:3717:37, 23 March 2017 diff hist −421 2017 AIME II Problems/Problem 12 No edit summary
• 17:3617:36, 23 March 2017 diff hist +807 2017 AIME II Problems/Problem 12 No edit summary
• 17:2417:24, 23 March 2017 diff hist −39 2017 AIME II Problems/Problem 11 No edit summary
• 17:2417:24, 23 March 2017 diff hist +7 2017 AIME II Problems/Problem 11 No edit summary
• 17:2317:23, 23 March 2017 diff hist +2,978 2017 AIME II Problems/Problem 11 No edit summary
• 17:0317:03, 23 March 2017 diff hist +1,122 2017 AIME II Problems/Problem 10 No edit summary
• 16:5616:56, 23 March 2017 diff hist +32 2017 AIME II Problems/Problem 10 No edit summary
• 16:5116:51, 23 March 2017 diff hist +1,195 2017 AIME II Problems/Problem 9 No edit summary
• 16:4816:48, 23 March 2017 diff hist 0 2017 AIME II Problems/Problem 9 No edit summary
• 16:4516:45, 23 March 2017 diff hist −1 2017 AIME II Problems/Problem 9 No edit summary
• 16:3916:39, 23 March 2017 diff hist +10 2017 AIME II Problems/Problem 8 No edit summary
• 16:3716:37, 23 March 2017 diff hist +3 2017 AIME II Problems/Problem 8 No edit summary
• 16:3716:37, 23 March 2017 diff hist +2,660 2017 AIME II Problems/Problem 8 No edit summary
• 16:1316:13, 23 March 2017 diff hist −40 2017 AIME II Problems/Problem 7 No edit summary
• 16:1116:11, 23 March 2017 diff hist +1,690 2017 AIME II Problems/Problem 7 No edit summary
• 15:4515:45, 23 March 2017 diff hist +403 2017 AIME II Problems/Problem 10 No edit summary
• 15:3715:37, 23 March 2017 diff hist −134 2017 AIME II Problems/Problem 3 No edit summary
• 15:3715:37, 23 March 2017 diff hist −33 2017 AIME II Problems No edit summary
• 15:3615:36, 23 March 2017 diff hist +1 2017 AIME II Problems No edit summary
• 15:3615:36, 23 March 2017 diff hist −64 2017 AIME II Problems No edit summary
• 15:3515:35, 23 March 2017 diff hist −97 2017 AIME II Problems/Problem 12 No edit summary
• 15:3315:33, 23 March 2017 diff hist +25 2017 AIME II Problems/Problem 15 →Solution
• 15:2815:28, 23 March 2017 diff hist +65 2017 AIME II Problems/Problem 12 No edit summary
• 15:2715:27, 23 March 2017 diff hist +9 2017 AIME II Problems/Problem 3 No edit summary
• 15:2615:26, 23 March 2017 diff hist +60 2017 AIME II Problems/Problem 3 No edit summary
• 11:3911:39, 23 March 2017 diff hist +499 N 2017 AIME II Problems/Problem 15 Created page with "<math>\textbf{Problem 15}</math> Tetrahedron <math>ABCD</math> has <math>AD=BC=28</math>, <math>AC=BD=44</math>, and <math>AB=CD=52</math>. For any point <math>X</math> in spa..."
• 11:3811:38, 23 March 2017 diff hist +428 N 2017 AIME II Problems/Problem 14 Created page with "<math>\textbf{Problem 14}</math> A <math>10\times10\times10</math> grid of points consists of all points in space of the form <math>(i,j,k)</math>, where <math>i</math>, <math..."
• 11:3811:38, 23 March 2017 diff hist +424 N 2017 AIME II Problems/Problem 13 Created page with "<math>\textbf{Problem 13}</math> For each integer <math>n\geq3</math>, let <math>f(n)</math> be the number of <math>3</math>-element subsets of the vertices of the regular <ma..."
• 11:3711:37, 23 March 2017 diff hist +1,659 N 2017 AIME II Problems/Problem 12 Created page with "<math>\textbf{Problem 12}</math> Circle <math>C_0</math> has radius <math>1</math>, and the point <math>A_0</math> is a point on the circle. Circle <math>C_1</math> has radius..."
• 11:3711:37, 23 March 2017 diff hist +414 N 2017 AIME II Problems/Problem 11 Created page with "<math>\textbf{Problem 11}</math> Five towns are connected by a system of raods. There is exactly one road connecting each pair of towns. Find the number of ways there are to m..."
• 11:3711:37, 23 March 2017 diff hist +645 N 2017 AIME II Problems/Problem 10 Created page with "<math>\textbf{Problem 10}</math> Rectangle <math>ABCD</math> has side lengths <math>AB=84</math> and <math>AD=42</math>. Point <math>M</math> is the midpoint of <math>\overlin..."
• 11:3711:37, 23 March 2017 diff hist +771 N 2017 AIME II Problems/Problem 9 Created page with "<math>\textbf{Problem 9}</math> A special deck of cards contains <math>49</math> cards, each labeled with a number from <math>1</math> to <math>7</math> and colored with one o..."
• 11:3611:36, 23 March 2017 diff hist +297 N 2017 AIME II Problems/Problem 8 Created page with "<math>\textbf{Problem 8}</math> Find the number of positive integers <math>n</math> less than <math>2017</math> such that <cmath>1+n+\frac{n^2}{2!}+\frac{n^3}{3!}+\frac{n^4}{4..."
• 11:3611:36, 23 March 2017 diff hist +25 2017 AIME II Problems/Problem 7 No edit summary
• 11:3611:36, 23 March 2017 diff hist +259 N 2017 AIME II Problems/Problem 7 Created page with "<math>\textbf{Problem 7}</math> Find the number of integer values of <math>k</math> in the closed interval <math>[-500,500]</math> for which the equation <math>\log(kx)=2\log(..."
• 11:3511:35, 23 March 2017 diff hist +943 N 2017 AIME II Problems/Problem 6 Created page with "<math>\textbf{Problem 6}</math> Find the sum of all positive integers <math>n</math> such that <math>\sqrt{n^2+85n+2017}</math> is an integer. <math>\textbf{Problem 6 Solutio..."
• 11:3511:35, 23 March 2017 diff hist +1,462 N 2017 AIME II Problems/Problem 5 Created page with "<math>\textbf{Problem 5}</math> A set contains four numbers. The six pairwise sums of distinct elements of the set, in no particular order, are <math>189</math>, <math>320</ma..."
• 11:3511:35, 23 March 2017 diff hist +1,268 N 2017 AIME II Problems/Problem 4 Created page with "<math>\textbf{Problem 4}</math> Find the number of positive integers less than or equal to <math>2017</math> whose base-three representation contains no digit equal to <math>0..."
• 11:3411:34, 23 March 2017 diff hist +2,721 N 2017 AIME II Problems/Problem 3 Created page with "<math>\textbf{Problem 3}</math> A triangle has vertices <math>A(0,0)</math>, <math>B(12,0)</math>, and <math>C(8,10)</math>. The probability that a randomly chosen point insid..."
• 11:3411:34, 23 March 2017 diff hist +2,262 N 2017 AIME II Problems/Problem 2 Created page with "<math>\textbf{Problem 2}</math> The teams <math>T_1</math>, <math>T_2</math>, <math>T_3</math>, and <math>T_4</math> are in the playoffs. In the semifinal matches, <math>T_1</..."
• 11:3311:33, 23 March 2017 diff hist +1,348 N 2017 AIME II Problems/Problem 1 Created page with "<math>\textbf{Problem 1}</math> Find the number of subsets of <math>\{1, 2, 3, 4, 5, 6, 7, 8\}</math> that are subsets of neither <math>\{1, 2, 3, 4, 5\}</math> nor <math>\{4,..."
• 11:3311:33, 23 March 2017 diff hist +15,446 N 2017 AIME II Problems Created page with "<math>\textbf{Problem 1}</math> Find the number of subsets of <math>\{1, 2, 3, 4, 5, 6, 7, 8\}</math> that are subsets of neither <math>\{1, 2, 3, 4, 5\}</math> nor <math>\{4,..."
• 11:3211:32, 23 March 2017 diff hist −4 2017 AIME II No edit summary

4 March 2017

• 16:4716:47, 4 March 2017 diff hist +102 Illinois Mathcounts 2017 state results

16 February 2017

• 19:3819:38, 16 February 2017 diff hist +143 2017 AMC 10B Problems/Problem 24 →Solution
• 16:4716:47, 16 February 2017 diff hist +59 2017 AMC 10B Problems/Problem 6 No edit summary
• 16:4516:45, 16 February 2017 diff hist +4 2017 AMC 10B Problems/Problem 10 No edit summary
• 16:4216:42, 16 February 2017 diff hist +303 2017 AMC 10B Problems/Problem 10 No edit summary