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定长线段在相交直线上滑动
Author:
冯伟冀
GeoGebra
New Resources
正方形雪花图案
平行線的判定
活动三:应用性质
常见四边形是否是双心四边形
第八周作业2
Discover Resources
正立方體的截痕
Ice Mountain
多边形绕圆滚动
GeoGebra 检测教程
【初中】动点问题
Discover Topics
Circumcircle or Circumscribed Circle
Power Functions
Isosceles Triangles
Distributions
Statistical Characteristics