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- 15:01, 17 February 2018 (diff | hist) . . (-40) . . m 1969 IMO Problems/Problem 2
- 15:01, 17 February 2018 (diff | hist) . . (+100) . . m 1971 IMO Problems/Problem 1
- 14:59, 17 February 2018 (diff | hist) . . (0) . . m 1967 IMO Problems/Problem 3
- 14:59, 17 February 2018 (diff | hist) . . (+501) . . N 1971 IMO Problems/Problem 2 (Created page with "==Problem== Consider a convex polyhedron <math>P_1</math> with nine vertices <math>A_1, A_2, \cdots, A_9;</math> let <math>P_i</math> be the polyhedron obtained from <math>P_1...")
- 14:53, 17 February 2018 (diff | hist) . . (+127) . . m 1967 IMO Problems/Problem 3
- 14:51, 17 February 2018 (diff | hist) . . (+120) . . m 1969 IMO Problems/Problem 2
- 14:50, 17 February 2018 (diff | hist) . . (+7) . . m 1969 IMO Problems/Problem 2
- 14:47, 17 February 2018 (diff | hist) . . (+366) . . N 1971 IMO Problems/Problem 1 (Created page with "Prove that the following assertion is true for <math>n=3</math> and <math>n=5</math>, and that it is false for every other natural number <math>n>2:</math> If <math>a_1, a_2,...")
- 14:39, 17 February 2018 (diff | hist) . . (+323) . . N 1969 IMO Problems/Problem 2 (Created page with "Let <math>a_1, a_2,\cdots, a_n</math> be real constants, <math>x</math> a real variable, and <cmath>f(x)=\cos(a_1+x)+\frac{1}{2}\cos(a_2+x)+\frac{1}{4}\cos(a_3+x)+\cdots+\frac...")
- 14:32, 17 February 2018 (diff | hist) . . (+292) . . N 1967 IMO Problems/Problem 3 (Created page with "Let <math>k, m, n</math> be natural numbers such that <math>m+k+1</math> is a prime greater than <math>n+1.</math> Let <math>c_s=s(s+1).</math> Prove that the product <cmath>(...")
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