<![CDATA[Desafios Matemáticos! - O site da Matemática]]> http://matematica.over-blog.com/ Site dedicado à Matemática. fr http://fdata.over-blog.net/0/36/02/00/avatar-blog-635299-tmpphpkSCDEy.jpeg <![CDATA[Desafios Matemáticos! - O site da Matemática]]> http://matematica.over-blog.com/ Sun, 08 Nov 2009 09:36:11 +0100 Sun, 08 Nov 2009 09:36:11 +0100 Over-blog.com RSS 2.0 Engine Copyright 2009, Prof Paulo Pro http://www.rssboard.org/rss-specification/ <![CDATA[Desafio #10 - Challenge #10]]> http://matematica.over-blog.com/article-desafio-10-challenge-10-38931156.html

Translate to English The following figure is composed of 16 matches that make up 5 congruent squares: Move only 3 matches in order to get only 4 congruent squares. See the solution A figura seguinte é composta por 16 fósforos que formam 5 quadrados geometricamente iguais entre si: Mova apenas [...]

]]> Sat, 07 Nov 2009 12:50:00 +0100 http://matematica.over-blog.com/article-desafio-10-challenge-10-38931156.html Desafios http://matematica.over-blog.com/article-desafio-10-challenge-10-38931156-comments.html#c <![CDATA[Desafio #9 - Challenge #9]]> http://matematica.over-blog.com/article-desafio-9-challenge-9-38929095.html

Translate to English The following figure is composed of 16 matches that make up 5 congruent squares: Move only 2 matches in order to get only 4 congruent squares. See the solution A figura seguinte é composta por 16 fósforos que formam 5 quadrados geometricamente iguais entre si: Mova apenas [...]

]]> Sat, 07 Nov 2009 12:07:00 +0100 http://matematica.over-blog.com/article-desafio-9-challenge-9-38929095.html Desafios http://matematica.over-blog.com/article-desafio-9-challenge-9-38929095-comments.html#c <![CDATA[Desafio #8 - Challenge #8]]> http://matematica.over-blog.com/article-desafio-8-challenge-8-38928418.html

Translate to English The following figure is composed of 8 matches that form a fish: Change the position of 3 matches so that the fish do a rotation of 180 degrees. See the solution A figura seguinte é composta por 8 fósforos que formam um peixe: Modifique a posição de 3 fósforos de forma a [...]

]]> Sat, 07 Nov 2009 11:56:00 +0100 http://matematica.over-blog.com/article-desafio-8-challenge-8-38928418.html Desafios http://matematica.over-blog.com/article-desafio-8-challenge-8-38928418-comments.html#c <![CDATA[Desafio #7 - Challenge #7]]> http://matematica.over-blog.com/article-desafio-7-challenge-7-38874359.html

Translate to English The following figure is composed of 8 matches that form a fish: Change the position of 2 matches so that the fish do a rotation of 90 degrees. See the solution A figura seguinte é composta por 8 fósforos que formam um peixe: Modifique a posição de 2 fósforos de forma a [...]

]]> Fri, 06 Nov 2009 12:25:00 +0100 http://matematica.over-blog.com/article-desafio-7-challenge-7-38874359.html Desafios http://matematica.over-blog.com/article-desafio-7-challenge-7-38874359-comments.html#c <![CDATA[Desafio #6 - Challenge #6]]> http://matematica.over-blog.com/article-desafio-6-challenge-6-38801967.html

Translate to English The following figure is composed of 16 matches to make 2 squares: Change the position of 4 matches to get 3 squares. See the solution A figura seguinte é composta por 16 fósforos que formam 2 quadrados: Modifique a posição de 4 fósforos de forma a obter 3 quadrados. Ver a [...]

]]> Thu, 05 Nov 2009 09:01:00 +0100 http://matematica.over-blog.com/article-desafio-6-challenge-6-38801967.html Desafios http://matematica.over-blog.com/article-desafio-6-challenge-6-38801967-comments.html#c <![CDATA[Desafio #5 - Challenge #5]]> http://matematica.over-blog.com/article-desafio-5-challenge-5-38699406.html

Translate to English The following figure is composed of 18 matches that make 9 congruent triangles: Remove 5 matches in order to get only 5 congruent triangles. See the solution A figura seguinte é composta por 18 fósforos que formam 9 triângulos equiláteros geometricamente iguais entre si: [...]

]]> Tue, 03 Nov 2009 16:40:00 +0100 http://matematica.over-blog.com/article-desafio-5-challenge-5-38699406.html Desafios http://matematica.over-blog.com/article-desafio-5-challenge-5-38699406-comments.html#c <![CDATA[Desafio #4 - Challenge #4]]> http://matematica.over-blog.com/article-desafio-4-challenge-4-38548153.html

Translate to English The following figure is composed of 24 matches that make up 9 congruent squares: Remove 4 matches to get only 5 congruent squares. See the solution A figura seguinte é composta por 24 fósforos que formam 9 quadrados geometricamente iguais entre si: Elimine 4 fósforos de [...]

]]> Sun, 01 Nov 2009 09:47:00 +0100 http://matematica.over-blog.com/article-desafio-4-challenge-4-38548153.html Desafios http://matematica.over-blog.com/article-desafio-4-challenge-4-38548153-comments.html#c <![CDATA[Appell, Paul (1855 - 1930)]]> http://matematica.over-blog.com/article-appell-paul-1855-1930--38445653.html

Matemático francês, professor da Faculdade de Ciências de Paris, reitor da Academia de Paris e membro da Academia de Ciências. Em 1883, Appel entrou na École normale supérieure onde ele defendeu a sua tese de doutorado em ciências matemáticas na Faculdade de Ciências de Paris em 1876. O seu [...]

]]> Fri, 30 Oct 2009 10:06:00 +0100 http://matematica.over-blog.com/article-appell-paul-1855-1930--38445653.html Matemáticos (A - E) http://matematica.over-blog.com/article-appell-paul-1855-1930--38445653-comments.html#c <![CDATA[Desafio #3 - Challenge #3]]> http://matematica.over-blog.com/article-desafio-3-challenge-3-38386065.html

Translate to English The following figure is composed of 12 matches: Change the position of 3 matches in order to get only 3 squares. See the solution A figura seguinte é composta por 12 fósforos: Modifique a posição de 3 fósforos de forma a obter apenas 3 quadrados. Ver a solução

]]> Thu, 29 Oct 2009 09:22:00 +0100 http://matematica.over-blog.com/article-desafio-3-challenge-3-38386065.html Desafios http://matematica.over-blog.com/article-desafio-3-challenge-3-38386065-comments.html#c <![CDATA[Ábaco (do Grego "abax") - Abacus (from the Greek "abax")]]> http://matematica.over-blog.com/article-abaco-do-grego-abax-abacus-from-the-greek-abax-38166723.html

Translate to English The abacus is a small rectangular board with beads, used previously to calculate. Each number on the bottom is 1 and the top is 5. The columns represent, from left to right, units, tens, hundreds, etc.. Example of calculating the addition 253 + 812 = ? Here is our abacus. [...]

]]> Sun, 25 Oct 2009 15:55:00 +0100 http://matematica.over-blog.com/article-abaco-do-grego-abax-abacus-from-the-greek-abax-38166723.html Dicionário Matemático http://matematica.over-blog.com/article-abaco-do-grego-abax-abacus-from-the-greek-abax-38166723-comments.html#c