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S2E2A 等腰直角三角形与双垂线
Author:
学用数学
,
acchu
GeoGebra
New Resources
球體建築師
算柱 (兩位數)
画直线等分三角形的面积
兩位數加法
找出對稱軸
Discover Resources
分數的加法
三角函數圖形
平行線 (同位角 - 4對)
角定義
旋轉的概念
Discover Topics
Differential Calculus
Solids or 3D Shapes
Statistics
Arithmetic Mean
Constructions