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重心
Author:
cherry910502
GeoGebra
New Resources
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
柱體建築師
三位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
Discover Resources
Rotational Symmetry
Pyramid (Angle between Plane HBC and HCD)
正方形和長方形有甚麼特性？
數學電腦繪圖&解題
雙曲線3 等軸法
Discover Topics
Parallelogram
Rotation
Secant Line or Secant
Intersection
Conditional Probability