User contributions
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- 07:40, 19 July 2016 (diff | hist) . . (-12) . . m 1992 USAMO (current)
- 07:39, 19 July 2016 (diff | hist) . . (-1) . . m 1991 USAMO Problems/Problem 5 (→Resources)
- 07:39, 19 July 2016 (diff | hist) . . (-1) . . m 1991 USAMO Problems/Problem 4 (→Resources) (current)
- 07:39, 19 July 2016 (diff | hist) . . (-1) . . m 1991 USAMO Problems/Problem 3 (→Resources)
- 07:38, 19 July 2016 (diff | hist) . . (-1) . . m 1991 USAMO Problems/Problem 2 (→Resources) (current)
- 07:38, 19 July 2016 (diff | hist) . . (+44) . . m 1991 USAMO Problems/Problem 1
- 23:54, 18 July 2016 (diff | hist) . . (+78) . . m 2011 AIME I Problems/Problem 8 (→See also)
- 23:54, 18 July 2016 (diff | hist) . . (+78) . . m 2011 AIME I Problems/Problem 13 (→See also)
- 23:51, 18 July 2016 (diff | hist) . . (+78) . . m 2012 AIME I Problems/Problem 8 (→See also)
- 23:50, 18 July 2016 (diff | hist) . . (+78) . . m 2013 AIME I Problems/Problem 7 (→See also)
- 23:47, 18 July 2016 (diff | hist) . . (+34) . . m 2015 AIME I Problems/Problem 15 (→See also)
- 23:46, 18 July 2016 (diff | hist) . . (+78) . . m 2015 AIME II Problems/Problem 9 (→See also)
- 23:45, 18 July 2016 (diff | hist) . . (+78) . . m 2016 AIME I Problems/Problem 4 (→See also)
- 23:44, 18 July 2016 (diff | hist) . . (+78) . . m 2016 AIME II Problems/Problem 14 (→See also)
- 23:37, 18 July 2016 (diff | hist) . . (+87) . . m 1973 IMO Problems/Problem 2
- 23:36, 18 July 2016 (diff | hist) . . (+87) . . m 1972 IMO Problems/Problem 6
- 23:36, 18 July 2016 (diff | hist) . . (+88) . . m 1971 IMO Problems/Problem 4
- 23:35, 18 July 2016 (diff | hist) . . (+34) . . m 1970 IMO Problems/Problem 5 (→Solution) (current)
- 23:35, 18 July 2016 (diff | hist) . . (+34) . . m 1968 IMO Problems/Problem 4 (→See Also) (current)
- 23:34, 18 July 2016 (diff | hist) . . (+88) . . m 1967 IMO Problems/Problem 2
- 23:33, 18 July 2016 (diff | hist) . . (+74) . . m 1966 IMO Problems/Problem 3 (→See Also)
- 23:32, 18 July 2016 (diff | hist) . . (+75) . . m 1965 IMO Problems/Problem 3 (→Solution)
- 23:32, 18 July 2016 (diff | hist) . . (+74) . . m 1964 IMO Problems/Problem 6 (→Solution)
- 23:31, 18 July 2016 (diff | hist) . . (+74) . . m 1963 IMO Problems/Problem 2 (→See Also)
- 23:30, 18 July 2016 (diff | hist) . . (+74) . . m 1962 IMO Problems/Problem 7 (→See Also)
- 23:30, 18 July 2016 (diff | hist) . . (+74) . . m 1962 IMO Problems/Problem 3 (→See Also)
- 23:29, 18 July 2016 (diff | hist) . . (+75) . . m 1961 IMO Problems/Problem 6 (→Solution) (current)
- 23:28, 18 July 2016 (diff | hist) . . (+74) . . m 1960 IMO Problems/Problem 6 (→See Also)
- 23:28, 18 July 2016 (diff | hist) . . (+34) . . m 1960 IMO Problems/Problem 5 (→See Also) (current)
- 23:27, 18 July 2016 (diff | hist) . . (+34) . . m 1959 IMO Problems/Problem 6 (→See Also)
- 23:20, 18 July 2016 (diff | hist) . . (+73) . . m 1992 USAMO Problems/Problem 4 (→Resources)
- 23:18, 18 July 2016 (diff | hist) . . (+34) . . m 1985 USAMO Problems/Problem 3 (→See Also)
- 23:18, 18 July 2016 (diff | hist) . . (+34) . . m 1984 USAMO Problems/Problem 3 (→See Also)
- 23:18, 18 July 2016 (diff | hist) . . (+34) . . m 1983 USAMO Problems/Problem 4 (→See Also)
- 23:17, 18 July 2016 (diff | hist) . . (+34) . . m 1982 USAMO Problems/Problem 5 (→See Also)
- 23:17, 18 July 2016 (diff | hist) . . (+34) . . m 1980 USAMO Problems/Problem 4 (→See Also)
- 23:16, 18 July 2016 (diff | hist) . . (+34) . . m 1979 USAMO Problems/Problem 2 (→See Also)
- 23:16, 18 July 2016 (diff | hist) . . (+34) . . m 1978 USAMO Problems/Problem 4 (→See Also) (current)
- 23:15, 18 July 2016 (diff | hist) . . (+34) . . m 1977 USAMO Problems/Problem 4 (→See Also)
- 23:15, 18 July 2016 (diff | hist) . . (+34) . . m 1976 USAMO Problems/Problem 4 (→See Also) (current)
- 23:14, 18 July 2016 (diff | hist) . . (+34) . . m 1975 USAMO Problems/Problem 2 (→See Also)
- 23:13, 18 July 2016 (diff | hist) . . (+34) . . m 1974 USAMO Problems/Problem 3 (→See Also) (current)
- 23:12, 18 July 2016 (diff | hist) . . (+34) . . m 1973 USAMO Problems/Problem 1 (→See also)
- 23:12, 18 July 2016 (diff | hist) . . (+34) . . m 1972 USAMO Problems/Problem 2 (→See Also)
- 22:12, 18 July 2016 (diff | hist) . . (+1,705) . . 1983 USAMO Problems/Problem 5 (Rewrite, will finish proof later)
- 19:19, 18 July 2016 (diff | hist) . . (+17) . . m User talk:1=2 (→USA(J)MO)
- 19:17, 18 July 2016 (diff | hist) . . (-11) . . m 1991 USAMO Problems (current)
- 19:17, 18 July 2016 (diff | hist) . . (-12) . . m 1991 USAMO (→See Also) (current)
- 19:17, 18 July 2016 (diff | hist) . . (-1) . . m 1990 USAMO Problems/Problem 5 (→See Also)
- 19:16, 18 July 2016 (diff | hist) . . (-1) . . m 1989 USAMO Problems/Problem 5 (→See Also) (current)
- 19:15, 18 July 2016 (diff | hist) . . (-1) . . m 1990 USAMO Problems/Problem 5 (→Resources)
- 19:15, 18 July 2016 (diff | hist) . . (-1) . . m 1990 USAMO Problems/Problem 4 (→Resources) (current)
- 19:14, 18 July 2016 (diff | hist) . . (-1) . . m 1990 USAMO Problems/Problem 3 (→Resources) (current)
- 19:14, 18 July 2016 (diff | hist) . . (0) . . m 1990 USAMO Problems/Problem 2 (→See also) (current)
- 19:14, 18 July 2016 (diff | hist) . . (-3) . . m 1990 USAMO Problems/Problem 1 (→See Also)
- 19:13, 18 July 2016 (diff | hist) . . (0) . . m 1990 USAMO Problems/Problem 1 (→See also)
- 19:12, 18 July 2016 (diff | hist) . . (+3) . . m User talk:1=2 (→USA(J)MO)
- 19:12, 18 July 2016 (diff | hist) . . (-12) . . m 1990 USAMO (→See Also) (current)
- 19:12, 18 July 2016 (diff | hist) . . (-1) . . m 1989 USAMO Problems/Problem 5 (→Resources)
- 19:11, 18 July 2016 (diff | hist) . . (+40) . . m 1989 USAMO Problems/Problem 4 (→See Also) (current)
- 19:11, 18 July 2016 (diff | hist) . . (-1) . . m 1989 USAMO Problems/Problem 3 (→Resources) (current)
- 19:11, 18 July 2016 (diff | hist) . . (0) . . m 1989 USAMO Problems/Problem 2 (→See also)
- 19:10, 18 July 2016 (diff | hist) . . (0) . . m 1989 USAMO Problems/Problem 1 (current)
- 19:10, 18 July 2016 (diff | hist) . . (+19) . . m 1988 USAMO Problems/Problem 4
- 18:59, 18 July 2016 (diff | hist) . . (+19) . . m 1988 USAMO Problems/Problem 2
- 18:58, 18 July 2016 (diff | hist) . . (-69) . . 1988 USAMO Problems/Problem 1 (Removed extraneous rebuttal) (current)
- 18:52, 18 July 2016 (diff | hist) . . (+41) . . m 1989 USAMO Problems (current)
- 18:51, 18 July 2016 (diff | hist) . . (-8) . . m 1989 USAMO (current)
- 18:45, 18 July 2016 (diff | hist) . . (+41) . . m 1988 USAMO Problems
- 18:45, 18 July 2016 (diff | hist) . . (-8) . . m 1988 USAMO (current)
- 18:44, 18 July 2016 (diff | hist) . . (+662) . . N 1987 USAMO Problems/Problem 5 (Created page with "== Problem == <math>a_1, a_2, \cdots, a_n</math> is a sequence of 0's and 1's. T is the number of triples <math>(a_i, a_j, a_k)</math> with <math>i<j<k</math> which are not eq...") (current)
- 18:44, 18 July 2016 (diff | hist) . . (+411) . . N 1987 USAMO Problems/Problem 4 (Created page with "==Problem== M is the midpoint of XY. The points P and Q lie on a line through Y on opposite sides of Y, such that <math>|XQ| = 2|MP|</math> and <math>\frac{|XY|}2 < |MP| < \fr...") (current)
- 18:42, 18 July 2016 (diff | hist) . . (+393) . . N 1987 USAMO Problems/Problem 2 (Created page with "==Problem== The feet of the angle bisectors of <math>\Delta ABC</math> form a right-angled triangle. If the right-angle is at <math>X</math>, where <math>AX</math> is the bise...") (current)
- 18:42, 18 July 2016 (diff | hist) . . (+600) . . N 1987 USAMO Problems/Problem 3 (Created page with "==Problem== <math>X</math> is the smallest set of polynomials <math>p(x)</math> such that: : 1. <math>p(x) = x</math> belongs to <math>X</math>. : 2. If <math>r(x)</math> be...")
- 18:42, 18 July 2016 (diff | hist) . . (+4) . . m 1987 USAMO Problems (current)
- 18:31, 18 July 2016 (diff | hist) . . (-402) . . m 1987 USAMO Problems/Problem 1
- 18:29, 18 July 2016 (diff | hist) . . (+41) . . m 1987 USAMO Problems
- 18:29, 18 July 2016 (diff | hist) . . (-8) . . m 1987 USAMO (current)
- 14:51, 18 July 2016 (diff | hist) . . (-42) . . m User talk:1=2
- 14:51, 18 July 2016 (diff | hist) . . (+1,159) . . N 1986 USAMO Problems/Problem 5 (Created page with "== Problem == By a partition <math>\pi</math> of an integer <math>n\ge 1</math>, we mean here a representation of <math>n</math> as a sum of one or more positive integers wher...")
- 14:50, 18 July 2016 (diff | hist) . . (0) . . m 1986 USAMO Problems/Problem 4 (→See Also)
- 14:50, 18 July 2016 (diff | hist) . . (+800) . . N 1986 USAMO Problems/Problem 4 (Created page with "==Problem== Two distinct circles <math>K_1</math> and <math>K_2</math> are drawn in the plane. They intersect at points <math>A</math> and <math>B</math>, where <math>AB</math...")
- 14:49, 18 July 2016 (diff | hist) . . (0) . . m 1986 USAMO Problems/Problem 3
- 14:49, 18 July 2016 (diff | hist) . . (+495) . . 1986 USAMO Problems/Problem 3
- 14:48, 18 July 2016 (diff | hist) . . (-16) . . m 1986 USAMO Problems/Problem 2 (→See Also) (current)
- 14:48, 18 July 2016 (diff | hist) . . (+386) . . m 1986 USAMO Problems/Problem 2
- 14:45, 18 July 2016 (diff | hist) . . (+113) . . 1986 USAMO Problems/Problem 1
- 14:44, 18 July 2016 (diff | hist) . . (+41) . . m 1986 USAMO Problems
- 14:44, 18 July 2016 (diff | hist) . . (+41) . . m 1985 USAMO Problems (current)
- 14:43, 18 July 2016 (diff | hist) . . (-8) . . m 1986 USAMO (current)
- 13:03, 18 July 2016 (diff | hist) . . (+1,638) . . N 1985 USAMO Problems/Problem 5 (Created page with "== Problem == Let <math>a_1,a_2,a_3,\cdots</math> be a non-decreasing sequence of positive integers. For <math>m\ge1</math>, define <math>b_m=\min\{n: a_n \ge m\}</math>, that...") (current)
- 12:54, 18 July 2016 (diff | hist) . . (+553) . . N 1985 USAMO Problems/Problem 4 (Created page with "== Problem == There are <math>n</math> people at a party. Prove that there are two people such that, of the remaining <math>n-2</math> people, there are at least <math>\lfloor...") (current)
- 12:54, 18 July 2016 (diff | hist) . . (+370) . . N 1985 USAMO Problems/Problem 3 (Created page with "== Problem == Let <math>A,B,C,D</math> denote four points in space such that at most one of the distances <math>AB,AC,AD,BC,BD,CD</math> is greater than <math>1</math>. Determ...")
- 12:53, 18 July 2016 (diff | hist) . . (+273) . . N 1985 USAMO Problems/Problem 2 (Created page with "== Problem == Determine each real root of <math>x^4-(2\cdot10^{10}+1)x^2-x+10^{20}+10^{10}-1=0</math> correct to four decimal places. ==Solution== {{solution}} == See Also...")
- 12:45, 18 July 2016 (diff | hist) . . (0) . . m 1985 USAMO Problems/Problem 1 (→See Also)
- 12:43, 18 July 2016 (diff | hist) . . (+427) . . N 1985 USAMO Problems/Problem 1 (Created page with "==Problem== Determine whether or not there are any positive integral solutions of the simultaneous equations <cmath>x_1^2+x_2^2+\cdots+x_{1985}^2=y^3, \hspace{20pt} x_1^3+x_...")
- 12:42, 18 July 2016 (diff | hist) . . (-8) . . m 1985 USAMO (current)
- 12:42, 18 July 2016 (diff | hist) . . (-12) . . m 1984 USAMO (→See Also) (current)
- 12:42, 18 July 2016 (diff | hist) . . (-12) . . m 1983 USAMO (→See Also) (current)
- 12:41, 18 July 2016 (diff | hist) . . (+4) . . m 1984 USAMO
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