contest math related issues & queries in MathXchanger







Definition of function as a binary relation

math-history
Updated October 17, 2019 01:20 AM





Sequence integers

number-theory contest-math divisibility
Updated October 14, 2019 13:20 PM



History of Cauchy matrix

matrices math-history
Updated October 12, 2019 14:20 PM



Prove that $a = b$

number-theory contest-math divisibility
Updated October 11, 2019 14:20 PM




Existence of certain polyhedrons

geometry contest-math
Updated October 09, 2019 22:20 PM

APMO 2011 Problem 3

geometry contest-math
Updated October 09, 2019 13:20 PM






Cyclic quads problem

geometry contest-math euclidean-geometry
Updated October 07, 2019 22:20 PM

Cyclic quadrangle

geometry contest-math euclidean-geometry
Updated October 07, 2019 21:20 PM

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