{"version":"1.0","type":"rich","width":1200,"height":675,"title":"PRESENTACIÓN Historia de las matemáticas","description":"PRESENTACIÓN Historia de las matemáticas","author_name":"Genially","provider_name":"Genially","provider_url":"https://genially.com","html":"<div style='width: 100%;'><div style='position: relative; padding-bottom:56.25%; padding-top: 0; height: 0;'><iframe frameborder='0' width='1200' height='675' style='position:absolute; top: 0; left: 0; width: 100%; height: 100%;' src='https://view.genially.com/6177207648d1740ddde1cf5f' type='text/html' allowscriptaccess='always' allowfullscreen='true' scrolling='yes' allownetworking='all'></iframe></div></div>","thumbnail_url":"https://thumbnails.genially.com/5e9b05e9ee439154d3c57d97/screenshots/6d5cfbd8-7f25-4722-a241-de2fe5a9330d.jpg","thumbnail_width":1200,"thumbnail_height":675}