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椭圆摆(小车的小球摆动)
Author:
苏岭
GeoGebra
New Resources
拼砌四邊形
錐體建築師
兩位數除以一位數（一）
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
Discover Resources
GeoGebra使用指南
angle
碎形
旁心
三角形三边关系
Discover Topics
Integral Calculus
Right Triangles
Circumcircle or Circumscribed Circle
Conic Sections
Parabola