User contributions
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- 00:15, 5 February 2016 (diff | hist) . . (+531) . . 1990 AHSME Problems/Problem 30 (current)
- 22:50, 4 February 2016 (diff | hist) . . (+855) . . 1990 AHSME Problems/Problem 29
- 14:32, 4 February 2016 (diff | hist) . . (+864) . . 1990 AHSME Problems/Problem 25
- 13:08, 4 February 2016 (diff | hist) . . (+679) . . 1990 AHSME Problems/Problem 24 (current)
- 12:41, 4 February 2016 (diff | hist) . . (+503) . . 1990 AHSME Problems/Problem 23 (current)
- 12:17, 4 February 2016 (diff | hist) . . (+319) . . 1990 AHSME Problems/Problem 22 (current)
- 11:56, 4 February 2016 (diff | hist) . . (+998) . . 1990 AHSME Problems/Problem 21 (current)
- 10:52, 4 February 2016 (diff | hist) . . (+416) . . 1990 AHSME Problems/Problem 18 (current)
- 10:44, 4 February 2016 (diff | hist) . . (+9) . . 1990 AHSME Problems/Problem 14
- 10:43, 4 February 2016 (diff | hist) . . (+417) . . 1990 AHSME Problems/Problem 13
- 05:11, 4 February 2016 (diff | hist) . . (+62) . . 2016 AMC 12A Problems/Problem 5 (→Solution)
- 04:42, 4 February 2016 (diff | hist) . . (+251) . . 1990 AHSME Problems/Problem 17 (current)
- 04:37, 4 February 2016 (diff | hist) . . (+168) . . 1990 AHSME Problems/Problem 15 (current)
- 04:32, 4 February 2016 (diff | hist) . . (+125) . . 1990 AHSME Problems/Problem 12
- 04:26, 4 February 2016 (diff | hist) . . (+152) . . 1990 AHSME Problems/Problem 11
- 04:22, 4 February 2016 (diff | hist) . . (+552) . . 1990 AHSME Problems/Problem 9
- 03:55, 4 February 2016 (diff | hist) . . (+141) . . 1990 AHSME Problems/Problem 8 (current)
- 03:49, 4 February 2016 (diff | hist) . . (+438) . . 1990 AHSME Problems/Problem 7 (current)
- 03:39, 4 February 2016 (diff | hist) . . (+353) . . 1990 AHSME Problems/Problem 6 (current)
- 03:05, 4 February 2016 (diff | hist) . . (+192) . . 1990 AHSME Problems/Problem 5 (current)
- 02:51, 4 February 2016 (diff | hist) . . (+216) . . 1990 AHSME Problems/Problem 4
- 02:44, 4 February 2016 (diff | hist) . . (+220) . . 1990 AHSME Problems/Problem 3 (current)
- 02:38, 4 February 2016 (diff | hist) . . (+99) . . 1990 AHSME Problems/Problem 2 (→Solution) (current)
- 02:35, 4 February 2016 (diff | hist) . . (-13) . . m 1990 AHSME Problems/Problem 1 (current)
- 02:32, 4 February 2016 (diff | hist) . . (+604) . . 1989 AHSME Problems/Problem 28
- 01:20, 4 February 2016 (diff | hist) . . (+487) . . 1989 AHSME Problems/Problem 24
- 01:03, 4 February 2016 (diff | hist) . . (+1) . . m 1989 AHSME Problems/Problem 21 (→Problem)
- 00:59, 4 February 2016 (diff | hist) . . (+724) . . 1989 AHSME Problems/Problem 15
- 12:48, 3 February 2016 (diff | hist) . . (+311) . . 1989 AHSME Problems/Problem 10 (→Solution) (current)
- 09:47, 22 May 2014 (diff | hist) . . (+178) . . 1997 PMWC Problems/Problem I1 (current)
- 00:55, 30 May 2013 (diff | hist) . . (+1,171) . . N 1989 AHSME Problems/Problem 27 (Created page with "== Problem == Let <math>n</math> be a positive integer. If the equation <math>2x+2y+z=n</math> has 28 solutions in positive integers <math>x</math>, <math>y</math>, and <math>z</...")
- 00:15, 30 May 2013 (diff | hist) . . (+112) . . m 1989 AHSME Problems (→Problem 27)
- 00:05, 30 May 2013 (diff | hist) . . (+1,459) . . N 1989 AHSME Problems/Problem 12 (Created page with "== Problem == The traffic on a certain east-west highway moves at a constant speed of 60 miles per hour in both directions. An eastbound driver passes 20 west-bound vehicles in ...")
- 23:27, 29 May 2013 (diff | hist) . . (+1,480) . . N 1989 AHSME Problems/Problem 7 (Created page with "== Problem == In <math> \triangle ABC</math>, <math>\angle A = 100^\circ</math>, <math>\angle B = 50^\circ</math>, <math>\angle C = 30^\circ</math>, <math>\overline{AH}</math> i...")
- 23:11, 29 May 2013 (diff | hist) . . (+24) . . 1989 AHSME Problems/Problem 6
- 11:54, 24 September 2012 (diff | hist) . . (+898) . . N 1989 AHSME Problems/Problem 11 (Created page with "== Problem == Let <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</math> be positive integers with <math> a < 2b</math>, <math>b < 3c </math>, and <math>c<4d</math>....")
- 11:53, 24 September 2012 (diff | hist) . . (+45) . . m 1989 AHSME Problems
- 11:53, 24 September 2012 (diff | hist) . . (-501) . . 1989 AHSME Problems
- 11:52, 24 September 2012 (diff | hist) . . (+456) . . 1989 AHSME Problems (→Problem 11)
- 11:41, 24 September 2012 (diff | hist) . . (+887) . . 1989 AHSME Problems/Problem 22
- 10:10, 24 September 2012 (diff | hist) . . (+1,876) . . N 1989 AHSME Problems/Problem 22 (Created page with "== Problem == A child has a set of 96 distinct blocks. Each block is one of 2 materials (plastic,wood), 3 sizes (small, medium, large), 4 colors (blue, green, red, yellow), and ...")
- 08:46, 24 September 2012 (diff | hist) . . (+1,135) . . 1989 AHSME Problems/Problem 13
- 12:51, 23 September 2012 (diff | hist) . . (+726) . . N 1989 AHSME Problems/Problem 25 (Created page with "== Problem == In a certain cross country meet between 2 teams of 5 runners each, a runner who finishes in the <math>n</math>th position contributes <math>n</math> to his teams s...")
- 11:35, 23 September 2012 (diff | hist) . . (+2,437) . . N 1989 AHSME Problems/Problem 23 (Created page with "==Problem== A particle moves through the first quadrant as follows. During the first minute it moves from the origin to <math>(1,0)</math>. Thereafter, it continues to follow th...")
- 10:43, 23 September 2012 (diff | hist) . . (+1,683) . . N 1989 AHSME Problems/Problem 4 (Created page with "==Problem== In the figure, <math>ABCD</math> is an isosceles trapezoid with side lengths <math>AD=BC=5</math>, <math>AB=4</math>, and <math>DC=10</math>. The point <math>C</math>...")
- 08:53, 23 September 2012 (diff | hist) . . (+916) . . N 1989 AHSME Problems/Problem 30 (Created page with "==Problem== Suppose that 7 boys and 13 girls line up in a row. Let <math>S</math> be the number of places in the row where a boy and a girl are standing next to each other. For ...")
- 08:36, 23 September 2012 (diff | hist) . . (+1,603) . . N 1989 AHSME Problems/Problem 21 (Created page with "==Problem== A square flag has a red cross of uniform width with a blue square in the center on a white background as shown. (The cross is symmetric with respect to each of the di...")
- 08:17, 23 September 2012 (diff | hist) . . (+1,711) . . N 1989 AHSME Problems/Problem 5 (Created page with "==Problem== Toothpicks of equal length are used to build a rectangular grid as shown. If the grid is 20 toothpicks high and 10 toothpicks wide, then the number of toothpicks use...")
- 07:30, 23 September 2012 (diff | hist) . . (+774) . . 1989 AHSME Problems (→Problem 23)
- 06:59, 23 September 2012 (diff | hist) . . (+681) . . 1989 AHSME Problems (→Problem 21)
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