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GeoGebra Translation Team German February 12, 2015 - 12:07 PM
June 1, 2015 - 7:40 PM 9 resources — seisenbacherd
March 5, 2015 - 3:03 PM 2 resources — yenyi.peng
February 12, 2015 - 2:33 PM 15 resources — GeoGebra Translation Team German