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正四面體對邊向量垂直作圖證明
Author:
haofuwei
GeoGebra
New Resources
畫出對稱圖形
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
找出對稱軸
画直线等分三角形的面积
Discover Resources
圓柱體表面面積
T3 Geobra
task2
猜猜平均數（限時版）
轨迹方程
Discover Topics
Rational Numbers
Terms
Similar Triangles
Piecewise Functions
Means