Enllaç Jclic
http://clic.xtec.cat/db/jclicApplet.jsp?project=http://clic.xtec.cat/projects/fraccio/jclic/fraccio.jclic.zip&lang=ca&title=Fraccions
Altres informacions:
https://image.slidesharecdn.com/lesfraccions-091015053621-phpapp02/95/les-fraccions-11-728.jpg?cb=1255585020
fraccions 2
Fraccions 3
