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探究平行四邊形(1)
Author:
Ms Wong
GeoGebra
New Resources
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
異分母分數減法
找出對稱軸
判斷球體
Discover Resources
平行四邊形有甚麼特性？
展開基本
四角柱體（長方體）的截面
数学分析讲义
描点法画三角函数图像
Discover Topics
Natural Numbers
Special Points
Cylinder
Isosceles Triangles
Prism