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異分母分數加法
Author:
Tong Wing Hong
GeoGebra
New Resources
画直线等分三角形的面积
GeoGebra笔记功能体验课件
【案例】圆柱体内放置一个大球六个小球
異分母分數減法
兩組對邊相等的四邊形
Discover Resources
商高定理
釘版
三角形的面積
正三角形沿正方形旋轉
探究判定全等三角形的条件（ASA）
Discover Topics
Circumcircle or Circumscribed Circle
Scalene Triangles
Poisson Distribution
Cylinder
Arithmetic Operations