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重心
Author:
呂麗珠
GeoGebra
New Resources
活动三:应用性质
双心四边形
GeoGebra数学资源(4-8年级)
常见四边形是否是双心四边形
球体的截面
Discover Resources
angle between line and plane
畢氏定理
中垂線
大樓仰角皆為 60 度
拋物線2-焦點法
Discover Topics
Incircle or Inscribed Circle
Intersection
LCM and GCD
Arithmetic Operations
Circumcircle or Circumscribed Circle