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 March 24, 2020 - 8:56 AM
February 2, 2021 - 10:23 AM 11 resources — Eva Rudolph
March 24, 2022 - 9:34 AM 33 resources — elschenbroich