User contributions
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- 00:30, 17 February 2017 (diff | hist) . . (-25) . . 2017 AMC 12B Problems (→Problem 25)
- 00:29, 17 February 2017 (diff | hist) . . (-23) . . 2017 AMC 12B Problems
- 00:27, 17 February 2017 (diff | hist) . . (-47) . . 2017 AMC 12B Problems (→Problem 23)
- 00:26, 17 February 2017 (diff | hist) . . (-50) . . 2017 AMC 12B Problems (→Problem 22)
- 00:20, 17 February 2017 (diff | hist) . . (+731) . . 2017 AMC 12B Problems
- 00:15, 17 February 2017 (diff | hist) . . (-48) . . 2017 AMC 12B Problems (→Problem 7)
- 00:13, 17 February 2017 (diff | hist) . . (-13) . . 2017 AMC 12B Problems (→Problem 5)
- 23:12, 16 February 2017 (diff | hist) . . (-66) . . 2017 AMC 12B Problems/Problem 18
- 23:12, 16 February 2017 (diff | hist) . . (+1) . . 2017 AMC 12B
- 22:48, 16 February 2017 (diff | hist) . . (+2,447) . . 2017 AMC 12B Problems/Problem 18
- 19:34, 8 February 2017 (diff | hist) . . (+13) . . 2017 AMC 10A Problems/Problem 11
- 19:32, 8 February 2017 (diff | hist) . . (-15) . . 2017 AMC 10A Problems/Problem 11
- 19:32, 8 February 2017 (diff | hist) . . (+47) . . 2017 AMC 10A Problems/Problem 11
- 15:45, 3 April 2016 (diff | hist) . . (+17) . . AMC historical results (→AIME II)
- 15:45, 3 April 2016 (diff | hist) . . (+19) . . AMC historical results (→AIME I)
- 19:15, 2 April 2016 (diff | hist) . . (+53) . . AMC historical results
- 11:17, 21 February 2016 (diff | hist) . . (+693) . . N 2016 AMC 12B Problems/Problem 21 (Created page with "Let <math>ABCD</math> be a unit square. Let <math>Q_1</math> be the midpoint of <math>\overline{CD}</math>. For <math>i=1,2,\dots,</math> let <math>P_i</math> be the intersect...")
- 11:16, 21 February 2016 (diff | hist) . . (+612) . . N 2016 AMC 12B Problems/Problem 20 (Created page with "==Problem== A set of teams held a round-robin tournament in which every team played every other team exactly once. Every team won <math>10</math> games and lost <math>10</mat...")
- 11:15, 21 February 2016 (diff | hist) . . (+521) . . N 2016 AMC 12B Problems/Problem 19 (Created page with "==Problem== Tom, Dick, and Harry are playing a game. Starting at the same time, each of them flips a fair coin repeatedly until he gets his first head, at which point he stop...")
- 11:15, 21 February 2016 (diff | hist) . . (+371) . . N 2016 AMC 12B Problems/Problem 18 (Created page with "==Problem== What is the area of the region enclosed by the graph of the equation <math>x^2+y^2=|x|+|y|?</math> <math>\textbf{(A)}\ \pi+\sqrt{2} \qquad\textbf{(B)}\ \pi+2 \qq...")
- 11:13, 21 February 2016 (diff | hist) . . (-88) . . 2016 AMC 12B Problems/Problem 17
- 11:12, 21 February 2016 (diff | hist) . . (+2,991) . . N 2016 AMC 12B Problems/Problem 17 (Created page with "==Problem== In <math>\triangle ABC</math> shown in the figure, <math>AB=7</math>, <math>BC=8</math>, <math>CA=9</math>, and <math>\overline{AH}</math> is an altitude. Points ...")
- 11:10, 21 February 2016 (diff | hist) . . (+348) . . N 2016 AMC 12B Problems/Problem 16 (Created page with "==Problem== In how many ways can <math>345</math> be written as the sum of an increasing sequence of two or more consecutive positive integers? <math>\textbf{(A)}\ 1\qquad\t...")
- 11:09, 21 February 2016 (diff | hist) . . (+597) . . N 2016 AMC 12B Problems/Problem 15 (Created page with "==Problem== All the numbers <math>2, 3, 4, 5, 6, 7</math> are assigned to the six faces of a cube, one number to each face. For each of the eight vertices of the cube, a prod...")
- 11:03, 21 February 2016 (diff | hist) . . (+435) . . N 2016 AMC 12B Problems/Problem 14 (Created page with "==Problem== The sum of an infinite geometric series is a positive number <math>S</math>, and the second term in the series is <math>1</math>. What is the smallest possible va...")
- 10:59, 21 February 2016 (diff | hist) . . (+625) . . N 2016 AMC 12B Problems/Problem 13 (Created page with "==Problem== Alice and Bob live <math>10</math> miles apart. One day Alice looks due north from her house and sees an airplane. At the same time Bob looks due west from his ho...")
- 10:57, 21 February 2016 (diff | hist) . . (+2) . . 2016 AMC 12B Problems/Problem 12
- 10:57, 21 February 2016 (diff | hist) . . (+540) . . N 2016 AMC 12B Problems/Problem 12 (Created page with "==Problem== All the numbers <math>1, 2, 3, 4, 5, 6, 7, 8, 9</math> are written in a <math>3\times3</math> array of squares, one number in each square, in such a way that if t...")
- 10:56, 21 February 2016 (diff | hist) . . (+472) . . N 2016 AMC 12B Problems/Problem 11 (Created page with "==Problem== How many squares whose sides are parallel to the axes and whose vertices have coordinates that are integers lie entirely within the region bounded by the line <ma...")
- 10:54, 21 February 2016 (diff | hist) . . (+499) . . N 2016 AMC 12B Problems/Problem 10 (Created page with "==Problem== A quadrilateral has vertices <math>P(a,b)</math>, <math>Q(b,a)</math>, <math>R(-a, -b)</math>, and <math>S(-b, -a)</math>, where <math>a</math> and <math>b</math>...")
- 10:53, 21 February 2016 (diff | hist) . . (+650) . . N 2016 AMC 12B Problems/Problem 9 (Created page with "==Problem== Carl decided to in his rectangular garden. He bought <math>20</math> fence posts, placed one on each of the four corners, and spaced out the rest evenly along the...")
- 10:50, 21 February 2016 (diff | hist) . . (+613) . . N 2016 AMC 12B Problems/Problem 8 (Created page with "==Problem== A thin piece of wood of uniform density in the shape of an equilateral triangle with side length <math>3</math> inches weighs <math>12</math> ounces. A second pie...")
- 10:48, 21 February 2016 (diff | hist) . . (+776) . . N 2016 AMC 12B Problems/Problem 7 (Created page with "==Problem== Josh writes the numbers <math>1,2,3,\dots,99,100</math>. He marks out <math>1</math>, skips the next number <math>(2)</math>, marks out <math>3</math>, and contin...")
- 10:47, 21 February 2016 (diff | hist) . . (+509) . . N 2016 AMC 12B Problems/Problem 6 (Created page with "==Problem== All three vertices of <math>\bigtriangleup ABC</math> lie on the parabola defined by <math>y=x^2</math>, with <math>A</math> at the origin and <math>\overline{BC}...")
- 10:45, 21 February 2016 (diff | hist) . . (+571) . . N 2016 AMC 12B Problems/Problem 5 (Created page with "==Problem== The War of <math>1812</math> started with a declaration of war on Thursday, June <math>18</math>, <math>1812</math>. The peace treaty to end the war was signed <m...")
- 10:44, 21 February 2016 (diff | hist) . . (0) . . 2016 AMC 12B Problems/Problem 4
- 10:43, 21 February 2016 (diff | hist) . . (+443) . . N 2016 AMC 12B Problems/Problem 4 (Created page with "==Problem== The ratio of the measures of two acute angles is <math>5:4</math>, and the complement of one of these two angles is twice as large as the complement of the other....")
- 10:42, 21 February 2016 (diff | hist) . . (0) . . 2016 AMC 12B Problems/Problem 3
- 10:40, 21 February 2016 (diff | hist) . . (+229) . . N 2016 AMC 12B Problems/Problem 3 (Created page with "==Problem== Let <math>x=-2016</math>. What is the value of <math>\bigg|</math> <math>||x|-x|-|x|</math> <math>\bigg|</math> <math>-x</math>? ==Solution== ==See Also== {{AMC...")
- 10:39, 21 February 2016 (diff | hist) . . (0) . . 2016 AMC 12B Problems/Problem 2 (→See Also)
- 10:38, 21 February 2016 (diff | hist) . . (-1) . . 2016 AMC 12B Problems/Problem 2 (→See Also)
- 10:37, 21 February 2016 (diff | hist) . . (+416) . . N 2016 AMC 12B Problems/Problem 2 (Created page with "==Problem== The harmonic mean of two numbers can be calculated as twice their product divided by their sum. The harmonic mean of <math>1</math> and <math>2016</math> is close...")
- 10:36, 21 February 2016 (diff | hist) . . (-58) . . 2016 AMC 12B Problems/Problem 1
- 10:35, 21 February 2016 (diff | hist) . . (+400) . . 2016 AMC 12B Problems/Problem 1
- 01:17, 8 February 2016 (diff | hist) . . (-2) . . User:Mathmaster2012
- 22:38, 18 January 2016 (diff | hist) . . (-4) . . User:MathStudent2002
- 00:07, 14 December 2015 (diff | hist) . . (-112) . . 2014 IMO Problems/Problem 4
- 00:05, 14 December 2015 (diff | hist) . . (+14) . . 2014 IMO Problems/Problem 4
- 00:05, 14 December 2015 (diff | hist) . . (+9) . . 2014 IMO Problems/Problem 4
- 00:04, 14 December 2015 (diff | hist) . . (+13) . . 2014 IMO Problems/Problem 4
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