关注微信公众号查券更方便
【4周达】College Geometry: Using The Geometer'S Sketchpad First Edition [Wiley数学] [9780470534939]
![【4周达】College Geometry: Using The Geometer'S Sketchpad First Edition [Wiley数学] [9780470534939]](/Public/skin2/static/tqkpc/images/grey.gif)