Google Classroom谷歌课堂
GeoGebraGeoGebra 教室
GeoGebra

Volcanoes in the World

作者:Steve Phelps
Data found at http://volcano.oregonstate.edu/volcano_table Image By Strebe - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=16115228

新资源

发现资源

发现主题