SISTEMA SEXAGESSIMAL Clica damunt de l’exercici.http://www.xtec.cat/centres/a8041374/mates_1_eso/smetric/danigomez/TempsDANI2.swf
http://www.xtec.cat/centres/a8041374/mates_1_eso/smetric/danigomez/TempsDANI2.swf
http://www.xtec.cat/centres/a8041374/mates_1_eso/smetric/danigomez/TempsDANI2.swf