Problems of Number Theory in Mathematical Competitions

Hong-Bing Yu
Number theory is an important research field of mathematics. In mathematical competitions, problems of elementary number theory occur frequently. These problems use little knowledge and have many variations.
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104 number theory problems: from the training of the USA IMO team

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The William Lowell Putnam Mathematical Competition 1985-2000

Kiran Sridhara Kedlaya, Bjorn Poonen, Ravi Vakil

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International Mathematical Olympiad: 1991-2004

István Reiman

The famed International Mathematical Olympiad has been challenging students worldwide for over 40 years. The first competition was held in Romania in 1959 with seven countries participating. It has since expanded to attract competitors from over 80 countries, representing all five continents. This third volume features every question set from 1991-2004, along with comprehensive solutions and multiple answers where applicable. A fantastic selection of mathematical puzzles, this fully updated three volume series will be of interest to serious mathematicians and enthusiasts alike. István Reiman’s compilation of logic puzzles and questions will tease the intellect of all those with a mathematical mind.
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FONTE SITE:
http://ebookee.org/The-IMO-Compendium-A-Collection-of-Problems-Suggested-for-The-International-Mathematical-Olympiads-1959-2004-Reupload-_206765.html

Dusan Djukic, Vladimir Z. Jankovic, Ivan Matic, Nikola Petrovic "The IMO Compendium: A Collection of Problems Suggested for The International Mathematical Olympiads: 1959-2004"
Springer | 2006-02-23 | ISBN: 0387242996 | 746 pages | PDF | 5,3 MB

The International Mathematical Olympiad (IMO) has within its almost 50-year-old history become the most popular and prestigious competition for high-school students interested in mathematics. Only six students from each participating country are given the honor of participating in this competition every year. The IMO represents not only a great opportunity to tackle interesting and challenging mathematics problems, it also offers a way for high school students to measure up with students from the rest of the world.
LINK1:
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LINK2:
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Country results 52nd IMO 2011 52nd IMO 2011 International Mathematical Olympiad

PROBLEMAS OLIMPIADAS INTERNACIONALES

Название: Зарубежные математические олимпиады.
Автор: Сергеев И.Н. (ред)
Издательство: Наука
Год: 1987
Формат: djvu
Размер: 4,60 mb
Título: Olimpíadas Extrangeras Matemáticas.
Autor: Sergeev EN (Ed)
Autor: Ciencia
Año: 1987
Formato: djvu
Tamaño: 4,60 mb
LINK1 :
http://www.4shared.com/file/pyZOixIN/Sergeevmatematicheskieolimpiad.html

LIBRO OLIMPIADAS DE MATEMATICAS Международные математические олимпиады

Автор: А. А. Фомин, Г. М. Кузнецова (сост.)
Название: Международные математические олимпиады
Издательство: Дрофа
Год: 1998
Формат: djvu
Размер: 2.33Мб
Autor: AA Fomin, GM Kuznetsova (comp.)
Título: Olimpiada Internacional de Matemáticas
Autor: Avutarda
Año: 1998
Formato: djvu
LINK1:
http://www.4shared.com/file/j7mLtArA/zadachi_olimp_world.html