You can either download the .ggb file alone or the complete webpage for students with tasks.
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Jan Manders May 25, 2016 - 7:23 AM
October 1, 2018 - 7:06 AM 10 resources — w.debeukelaer
January 14, 2018 - 10:54 PM 62 resources — E. Hoogenboom
May 12, 2017 - 7:00 AM 22 resources — jan.manders