/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: junpjthanh https://cdn.slidesharecdn.com/profile-photo-junpjthanh-48x48.jpg?cb=1523584337 "1 + 1 = 5" Tiêu chuẩn gia Ä‘iÌ€nh hp :))