The document contains links to YouTube videos of the song "Gangnam Style" by PSY. The videos include the official music video with Spanish subtitles, as well as some related videos. The document also contains links to websites for downloading MP3s and information on the absolute value function.

1. http://www.youtube.com/watch?feature=endscreen&NR=1&v=lixFuzigJR0
http://www.youtube.com/watch?v=oXYEFzzaW9E&feature=related
http://www.youtube.com/watch?v=jBXf9x8JvWU&feature=related
PSY - Gangnam Style (Sub Español) Official Video
http://mp3skull.com
http://fuleteo.co
http://www.youtube.com/watch?v=EpiXKxekdrw&feature=related función valor absoluto