/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: RoBerto48 https://cdn.slidesharecdn.com/profile-photo-RoBerto48-48x48.jpg?cb=1627914223 Profesor del Instituto Tecnológico Superior de El Mante. www.itsmante.edu.mx/