EQUIPO "B "
http://powerpoint.office.live.com/p/PowerPointView.aspx?FBsrc=http%3A%2F%2Fwww.facebook.com%2Fdownload%2Ffile_preview.php%3Fid%3D149865018499033%26metadata&access_token=100000142068192%3AAVIil2lJd9anHuoSSDG-UkKi_fRRYhk5xAYOatsRk9lzyw&title=ecuaciones+linales+con+parentesis.pptx

http://powerpoint.office.live.com/p/PowerPointView.aspx?FBsrc=http%3A%2F%2Fwww.facebook.com%2Fdownload%2Ffile_preview.php%3Fid%3D404579562959367%26metadata&access_token=100000142068192%3AAVL8WTgFsDwUdhuQpO9nMykGDyQVXNDcZlggB29R6RzEnA&title=Sistema+de+ecuaciones+por+m%C3%A9todo+de+igualaci%C3%B3n.pptx