You can either download the .ggb file alone or the complete webpage for students with tasks.
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Aitzol Lasa December 24, 2014 - 8:52 AM
April 15, 2015 - 2:19 PM 24 resources — Euskal Herriko GeoGebra Institutua
January 21, 2015 - 3:19 PM 24 resources — nereaperez
January 14, 2015 - 10:03 AM 24 resources — aitzol.lasa