You can either download the .ggb file alone or the complete webpage for students with tasks.
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Johann Weilharter January 1, 2014 - 9:54 PM
November 8, 2014 - 1:31 PM 31 resources — christian.friesenbichler
February 14, 2020 - 5:03 PM 29 resources — JohannWeilharter