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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
【案例】2013年安徽高考15题
算柱 (兩位數)
兩位數除以一位數(一)
四邉形 (四年級) 教師版
兩位數除以一位數(二)
Discover Resources
Angles associated with Parallel Lines 平行線上的角
mario
兩個骰子的點數和的副本
[洋葱] 一线三等角的应用
IF指令定義域與值域範圍的限定
Discover Topics
Angles
Centroid or Barycenter
Parametric Curves
Geometric Mean
Straight Lines