Círculo Trigonométrico | Vídeo Aulas de Física Online Grátis

Lei dos Senos e dos Cossenos| Vídeo Aulas de Física Online Grátis

Geometria - Resolução da 3ª Questão (a) do Vestibular da UFF 2010

Energia e Circuitos Elétricos | Vídeo Aulas de Física Online Grátis

O prof. André Ramos explica a transformação das diferentes formas de energia e introduz o conceito de Circuito Elétrico e a Lei de Ohm.

A Student's Thoughts on the Balkan Mathematical Olympiad Gabriel Gendler UNITED KINGDOM

http://www.imo-register.org.uk/2012-balkan-report-gabriel.pdf       PAPER FULL :

PROBLEMS Bangladesh Mathematical Olympiad (BdMO) INDIA

LINK OF PROBLEMS Bangladesh Mathematical Olympiad (BdMO).http://www.mediafire.com/?46eqvc4et3rbml1
WEBSITE ORIGINAL DE LAS OLIMPIADAS DE MATEMATICAS BANGLADESH INDIA EN IDIOMAS INGLES E HINDU
http://www.matholympiad.org.bd/
ESPERO QUE ESTOS EJERCICIOS SEAN UTILES A LOS ESTUDIANTES DO BRASIL,PERU E DE TODO MUNDO,BOM TRABALHO E SUCESO.

Remise nationale des prix des Olympiades de mathématiques 2011 8 juin 2011

http://espaceeducatif.ac-rennes.fr/jahia/webdav/site/espaceeducatif3/groups/MATHEMATIQUES_Webmestres/public/Docs_officels/DP_-_Olympiades_de_math%C3%A9matiques_2011-1.pdf

MATHEMATICAL OLYMPIADS 1997 1998

LIBRO ENCONTRADO EN LA INTERNET EN LA SIGUIENTE PAGINA WEB

http://kheavan.files.wordpress.com/2011/10/mathematical-olympiads-1997-1998-problems-solutions-from-around-the-world-maa-problem-book-225p-b002kypabi.pdf

FISICA GENERAL PROBLEMAS ING. JUAN GOÑI GALARZA

SURFANDO EN LA INTERNET ENCONTRE ESTE FAMOSO LIBRO DE MI PREPARACION PREUNIVERSITARIA EN LIMA PERU GLORIOSOS AÑOS DE 1976 ,LOS LIBROS DE LA COLECCION DEL ING. JUAN GOÑI GALARZA HACIAN SUCESO.LO ENCONTRE EN LA WEB,EN EL WEBSITE http://www.libroslibre.com.ar/2010/12/fisica-genral-problemas.html

http://www.mediafire.com/?2h5pf5ck7cb9cik

RESULTADOS EXAMEN ADMISION UNIVERSIDAD NACIONAL INGENIERIA LIMA PERU

TOMANDO COMO FUENTE EL BLOG AMIGO E PARCEIRO MATEMATICAS Y OLIMPIADAS
http://www.matematicasyolimpiadas.com/

 ALUMNO POSTULANTE PRIMER PUESTO COMPUTO GENERAL DE LA UNI 2012-2

Felicitaciones al olímpico Warton Cordero Miguel Alejandro por ocupar el primer puesto cómputo general de la UNI, hace unas semanas formó parte de la selección que nos representó en la Olimpiada Internacional de  matemáticas 2012 (IMO) realizado en Argentina, obteniendo la medalla de Bronce para el  Perú. 

Advanced Mathematics for Engineers Lecture No. 5

2012 Colorado Math Olympiad : Solutions and Lecture

The New Academic Structure, A New Era (in English)

EXCELENTE FORUM SOBRE LAS NUEVAS ESTRUCTURAS ACADEMICAS EN LA EDUCACION REALIZADO EN HONG KONG ,PARTICIPACION DE PROFESORES,CIENTIFICOS,INGENIEROS,ESTUDIANTES.

LEARNING MATHEMATICS IN SECONDARY SCHOOL: THE CASE OF MATHEMATICAL MODELLING ENABLED BY TECHNOLOGY

LEARNING MATHEMATICS IN SECONDARY SCHOOL:
THE CASE OF MATHEMATICAL MODELLING ENABLED BY
TECHNOLOGY
Jonaki B Ghosh
Lady Shri Ram College for Women, University of Delhi, New Delhi, India
jonakibghosh@gmail.com

http://www.mediafire.com/?3r8j812if2xa89c

INTEGRATION OF TECHNOLOGY INTO MATHEMATICS TEACHING: PAST, PRESENT AND FUTURE Adnan Baki Karadeniz Technical University, Fatih Education Faculty,TR

12th International Congress on Mathematical Education Program  8 July – 15 July, 2012,
 COEX, Seoul, Korea
INTEGRATION OF TECHNOLOGY INTO MATHEMATICS TEACHING: PAST, PRESENT AND FUTURE Adnan Baki Karadeniz Technical University, Fatih Education Faculty,TR abaki@ktu.edu.tr

 

http://www.icme12.org/sub/sub02_04.asp

KAIST Math Problem of the Week

SOURCE WEBSITE:
http://mathsci.kaist.ac.kr/pow/

Concluding 2012 Spring

Posted on May 29, 2012 by S. Oum

Thanks all for participating POW actively. Here’s the list of winners:

• 1st prize: Park, Minjae (박민재) – 2011학번
• 2nd prize: Lee, Myeongjae  (이명재) – 2012학번
• 3rd prize: Suh, Gee Won (서기원) – 수리과학과 2009학번
• 4th prize: Cho, Junyoung (조준영) – 2012학번
• 5th prize: Kim, Taeho (김태호) – 수리과학과 2011학번

Congratulations! As announced earlier, we have nicer prize this semester – iPad 16GB for the 1st prize, iPod Touch 32GB for the 2nd prize, etc.

Posted in annoncement | Tagged 김태호, 박민재, 서기원, 이명재, 조준영 | 2 Comments

Solution: 2012-12 Big partial sum

Posted on May 12, 2012 by S. Oum

Let A be a finite set of complex numbers. Prove that there exists a subset B of A such that

∣∣∑z∈Bz∣∣≥1π∑z∈A∣z∣.

The best solution was submitted by Minjae Park (박민재), 2011학번. Congratulations!
Here is Solution of Problem 2012-12.
Two incorrect solutions were submitted (M.J.L., W.S.J.).

Posted in solution | Tagged 박민재 | 1 Comment

Solution: 2012-11 Dividing a circle

Posted on May 12, 2012 by S. Oum

Let f be a continuous function from [0,1] such that f([0,1]) is a circle. Prove that there exists two closed intervals I1,I2⊆[0,1] such that I1∩I2 has at most one point, f(I1) and f(I2) are semicircles, and f(I1)∪f(I2) is a circle.

The best solution was submitted by Myeongjae Lee (이명재), 2012학번. Congratulations!
Here is his Solution of Problem 2012-11.
Alternative solution was submitted by 박민재(2011학번, +3). Two incorrect solutions were submitted (W.S.J., K.M.P.).

Posted in solution | Tagged 이명재 | Leave a comment

2012-13 functions for an inequality

Posted on May 11, 2012 by S. Oum

Determine all nonnegative functions f(x,y) and g(x,y) such that

(∑i=1naibi)2≤(∑i=1nf(ai,bi))(∑i=1ng(ai,bi))≤(∑i=1na2i)(∑i=1nb2i)

for all reals ai, bi and all positive integers n.

Rating: 4.5/5 (13 votes cast)

Posted in problem | Tagged characterization, function, inequality | Leave a comment

2012-12 Big partial sum

Posted on May 4, 2012 by S. Oum

Let A be a finite set of complex numbers. Prove that there exists a subset B of A such that

∣∣∑z∈Bz∣∣≥1π∑z∈A∣z∣.

Rating: 4.5/5 (14 votes cast)

Posted in problem | Tagged complex, sum | 1 Comment

Solution: 2012-10 Platonic solids

Posted on April 27, 2012 by S. Oum

Determine all Platonic solids that can be drawn with the property that all of its vertices are rational points.

The best solution was submitted by Myeongjae Lee (이명재), 2012학번. Congratulations!
Here is his Solution of Problem 2012-10.
Alternative solutions were submitted by 박민재 (2011학번, +3, Solution), 정우석 (서강대학교 2011학번, +3), 박훈민 (대전과학고 2학년, +2). One incorrect solution was submitted (G.S.).

Intro to Number Theory TA : Rakyong Choi Homework 12 1 Section 15.2

http://www.mediafire.com/?dcv3g2j9dmw2vit

PROBLEMS Elementary Number Theory

http://www.mediafire.com/?s599plaob0dt092

Math Problem Book I compiled by Kin Y. Li BOOK IMO HONG KONG

SURFANDO EN LA INTERNET ENCONTRE ESTE HERMOSO LIBRO DE OLIMPIADAS DE MATEMATICAS HONG KONG
Este libro es para los estudiantes que tienen las mentes creativas y están interesados ​​en
las matemáticas. A través de la resolución de problemas,  van a aprender mucho más
que los programas escolares y asi puedan afinar sus habilidades analíticas.
 La mayoría de los problemas se han utilizado en las sesiones de práctica para estudiantes
participaron en el IMO HONG KONG.
EL TEXTO COMPLETO LO PUEDES BAJAR EN LA SIGUIENTE DIRECCION EN LA WEB
mediateca.rimed.cu/media/document/843.pdf

FIITJEE Question Papers from Rankers Study Material for IIT JEE

FIITJEE Question Papers from Rankers Study Material for IIT JEE

Bansal CLasses Physics Study Material for IIT JEE

Bansal CLasses Physics Study Material for IIT JEE

Delta-to-Star-Conversion-Equivalent-Resistance-of-Unbalanced-wheatstone-Bridge-Phy.flv

Bansal Classes 12th Standard Maths DPPs

Bansal Classes 12th Standard Maths DPPs

Mathematics Question Bank for Highschool

Mathematics Question Bank for Highschool

Arihant AIEEE Physics

Arihant AIEEE Physics

FIITJEE Question Papers from Rankers Study Material for IIT JEE

FIITJEE Question Papers from Rankers Study Material for IIT JEE

Arihant AIEEE Mathematics INDIAN INSTITUTE TECHNOLOGY ENTRANCE EXAMINATION

Arihant AIEEE Mathematics

JEE 2012 , Maths , Paper - 2, Comprehension (Q 49 to 54 ) Solutions

Problema 16 GoGeometry: lineas auxiliares, ceviana, perpendicularidad, ángulos.

The Indian Institutes of Technology ENTRANCE EXAMINATION 2012

The Indian Institutes of Technology (popularly known as IITs) are institutions of national importance established through an Act of Parliament for fostering excellence in education. There are fifteen IITs at present, located in Bhubaneswar, Chennai, Delhi, Gandhinagar, Guwahati, Hyderabad, Indore, Jodhpur, Kanpur, Kharagpur, Mandi, Mumbai, Patna, Ropar and Roorkee. Over the years IITs have created world class educational platforms dynamically sustained through internationally recognized research based on excellent infrastructural facilities. The faculty and alumni of IITs continue making huge impact in all sectors of society, both in India and abroad. Institute of Technology, Banaras Hindu University (IT-BHU), Varanasi and Indian School of Mines (ISM), Dhanbad, are amongst the oldest institutions in India and are known for their immense contributions towards society at large and for science and technology in particular.

http://www.jee.iitk.ac.in/