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Date: 2009-07-26 09:45 am (UTC)no subject
Date: 2009-07-26 10:22 am (UTC)no subject
Date: 2009-07-26 12:39 pm (UTC)если нижний левый рисунок перенести на шахматную доску, то аналогично без слов докажем теорему Пифагора
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Date: 2009-07-26 02:01 pm (UTC)no subject
Date: 2009-07-26 02:50 pm (UTC)no subject
Date: 2009-07-26 02:58 pm (UTC)no subject
Date: 2009-07-26 04:45 pm (UTC)no subject
Date: 2009-07-27 07:30 am (UTC)no subject
Date: 2009-07-26 06:12 pm (UTC)1+3+...+(2n-1)=n^2 (http://www.artofproblemsolving.com/Images/Flash/Side1.swf)
1+3+...+(2n-1)=n^2 (http://www.artofproblemsolving.com/Images/Flash/Side1.swf)
1+2+...+n=n(n+1)/2 (http://www.artofproblemsolving.com/Images/Flash/Side2.swf)<
1/4+(1/4)^2+...=1/3 (http://www.artofproblemsolving.com/Images/Flash/Side3.swf)
площадь правильного десятиугольника (http://www.artofproblemsolving.com/Images/Flash/Side4.swf)
теорема Пифагора (http://www.artofproblemsolving.com/Images/Flash/Side5.swf)
забавное свойство семиугольника (http://www.artofproblemsolving.com/Images/Flash/Side6.swf)
1^2+...+n^2=n(n+1)(2n+1)/6 (http://www.artofproblemsolving.com/Images/Flash/Side7.swf)
теорема косинусов (http://www.artofproblemsolving.com/Images/Flash/Side8.swf)
площадь параллелограмма (http://www.artofproblemsolving.com/Images/Flash/Side9.swf)
(1+2+...+n)^2=1^3+2^3+...+n^3 (http://www.artofproblemsolving.com/Images/Flash/Side10.swf)
no subject
Date: 2009-07-26 06:49 pm (UTC)no subject
Date: 2009-07-29 10:48 am (UTC)no subject
Date: 2009-07-26 07:17 pm (UTC)Только картинка так себе, катеты недостаточно отличаются.
no subject
Date: 2009-07-26 08:26 pm (UTC)no subject
Date: 2009-07-27 05:59 am (UTC)no subject
Date: 2009-07-29 01:19 pm (UTC)no subject
Date: 2009-07-29 06:16 pm (UTC)