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海伦公式分步证明
Author:
math Ku
Topic:
Area
,
Similar Triangles
,
Triangles
Prove Heron's Formula
GeoGebra
New Resources
画直线等分三角形的面积
GeoGebra笔记功能体验课件
兩位數加法
球體建築師
拼砌四邊形
Discover Resources
橢圓的定義畫圖
分布圖
Heat Sink Fin
任务1：一次、二次函数的绘画
描点法画反比例函数图像
Discover Topics
Division
Tangent Function
Means
Parallelogram
Angles