You can either download the .ggb file alone or the complete webpage for students with tasks.
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TTraub July 2, 2017 - 8:34 PM
November 27, 2019 - 8:15 AM 17 resources — markus.gudernatsch
October 2, 2019 - 7:40 AM 17 resources — SuSchneider
August 28, 2018 - 11:58 AM 17 resources — TTraub