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Nordic Mathematical Contest
Results: 40

#	Item
21	The 28th Nordic Mathematical Contest Monday, 31 March 2014 Problem set with solutions The time allowed is 4 hours. Each problem is worth 5 points. The only permitted aids are writing and drawing tools. Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2014-03-31 14:58:34 Group theory Function Modular arithmetic Quasigroup Algebraic number field Mathematics Abstract algebra Algebraic number theory
22	The 22nd Nordic Mathematical Contest 31 March 2008 Solutions Time allowed is 4 hours. Each problem is worth 5 points. The only permitted aids are writing and drawing materials. Problem 1 Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2008-04-02 12:57:27 Coprime Number theory Circle Triangle Fibonacci number Markov number Geometry Mathematics Pi
23	The 25th Nordic Mathematical Contest Monday 4 April 2011 English version The time allowed is 4 hours. Each problem is worth 5 points. The only aids permitted are writing and drawing tools. Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2011-07-24 11:32:35 Number theory Elementary mathematics Algebraic number theory Coprime Prime number Greatest common divisor Divisor Integer Mathematics Abstract algebra Elementary number theory
24 $Partial fractions$	24th Nordic Mathematical Contest, 13th of April, 2010 Solutions of the problems 1. A function f : Z+ → Z+ , where Z+ is the set of positive integers, is non-decreasing and satisfies f (mn) = f (m)f (n) for all relative Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2011-04-28 09:39:42
25	Solutions to the 2004 Nordic Mathematical Contest Problem 1 Let r be the number of balls in the red bowl, b be the number of balls in the blue bowl and y be the number of balls in the yellow bowl. Because the mean of the Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2006-06-02 06:50:14 Elementary mathematics Triangle geometry Triangle Triangles Sine Ordinal numbers Angle Ordinal arithmetic Law of sines Geometry Mathematics Trigonometry
26	Version: English 24th Nordic Mathematical Contest 13th of April, A function f : Z+ → Z+ , where Z+ is the set of positive integers, is non-decreasing and Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2010-04-24 12:33:18 Integer Ring theory Mathematics Elementary number theory Algebraic number theory
27	18th Nordic Mathematical Contest Thursday April 1, 2004 Time allowed: 4 hours. Each problem is worth 5 points. Problem 1 Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2006-06-02 06:49:58 Sequence Mathematics Fibonacci numbers Fibonacci
28	NORDIC MATHEMATICAL CONTEST PROBLEMS AND SOLUTIONS, 1987–2011 PROBLEMS The problems are identified as xy.n., whery x and y are the last digits of the competition year and n is the n:th problem of that year. Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2011-10-20 11:27:18 Integer sequences Algebraic number theory Number theory Combinatorics Fibonacci number Factorial Exponentiation Ring Integer Mathematics Abstract algebra Ring theory
29	20th Nordic Mathematical Contest Thursday March 30, 2006 English version Time allowed: 4 hours. Each problem is worth 5 points. Problem 1. Let B and C be points on two fixed rays emanating from a point A such that AB + A Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2006-04-12 10:36:33 Triangle geometry Circumscribed circle Triangle Geometry Triangles Circles
30	The 26th Nordic Mathematical Contest Tuesday, 27 March 2012 Solutions Each problem is worth 5 points. Problem 1. The real numbers a, b, c are such that a2 + b2 = 2c2 , and also such Add to Reading List Source URL: www.georgmohr.dk Language: English - Date: 2012-03-27 09:37:41 Binomial coefficient Factorial Number Maths24 COMPASS/Sample Code Mathematics Combinatorics Integer sequences

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