You can either download the .ggb file alone or the complete webpage for students with tasks.
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H.-J. Elschenbroich. GeoGebra Institut NRW May 29, 2016 - 9:11 PM
February 10, 2017 - 11:37 AM 17 resources — Chabscheid
July 16, 2024 - 7:58 PM 31 resources — elschenbroich