guia numero 1 del sena (diapositivas)

diapositivas :
https://docs.google.com/viewer?a=v&pid=gmail&attid=0.1&thid=12ec927998bef553&mt=application/vnd.openxmlformats-officedocument.presentationml.presentation&url=https://mail.google.com/mail/?ui%3D2%26ik%3Dba1b5e126c%26view%3Datt%26th%3D12ec927998bef553%26attid%3D0.1%26disp%3Dattd%26realattid%3Df_glf5a44d0%26zw&sig=AHIEtbT3kw7q3rk1YG4Xe_32sdm49QYU6A&pli=1