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折正三角形
Author:
cherry910502
GeoGebra
New Resources
GeoGebra笔记功能体验课件
拼砌四邊形
画直线等分三角形的面积
三位數除以一位數（一）
找出對稱軸
Discover Resources
task7
常態分配
弹簧变化
Copy of 製作組織圖
更相减损术几何表示
Discover Topics
Plane Figures or Shapes
Tangent Line or Tangent
Root
Parabola
Exponent