User contributions
- 23:52, 10 July 2018 (diff | hist) . . (-9) . . 2017 IMO Problems/Problem 3 (→Solution)
- 23:44, 10 July 2018 (diff | hist) . . (+289) . . N 2018 IMO Problems/Problem 6 (Created page with "A convex quadrilateral <math>ABCD</math> satisfies <math>AB\cdot CD=BC \cdot DA.</math> Point <math>X</math> lies inside <math>ABCD</math> so that <math>\angle XAB = \angle XC...")
- 23:39, 10 July 2018 (diff | hist) . . (+409) . . N 2018 IMO Problems/Problem 5 (Created page with "Let <math>a_1, a_2, \dots</math> be an infinite sequence of positive integers. Suppose that there is an integer<math> N > 1</math> such that, for each <math>n \geq N</math>, t...")
- 23:28, 10 July 2018 (diff | hist) . . (+803) . . N 2018 IMO Problems/Problem 4 (Created page with "Problem 4. A site is any point <math>(x, y)</math> in the plane such that <math>x</math> and <math>y</math> are both positive integers less than or equal to 20. Initially, eac...")
