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角平分线的性质
Author:
Cao Yiming
移动点A观察线段AB和AC
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數（一）
畫出對稱圖形
算柱 (兩位數)
GeoGebra笔记功能体验课件
Discover Resources
三角排列
Copy of 固定周界的長方形的面積變化
Copy of 劉徽的「割圓術」
斜坐標
關燈遊戲3x3 Lights Out Game
Discover Topics
Sine
Curve Sketching
Root
Translation
Linear Functions