/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: anhthangl https://cdn.slidesharecdn.com/profile-photo-anhthangl-48x48.jpg?cb=1523498082 thông minh có hạn,,,,khốn nạn có thừa