You can either download the .ggb file alone or the complete webpage for students with tasks.
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PSeminar Zenderowski — November 28, 2014 - 6:38 AM
December 18, 2014 - 2:41 PM 10 resources — GYDOMathe
April 24, 2019 - 3:29 PM 83 resources — Christian Conradi
