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平行四邊形
Author:
李春培
Topic:
Parallelogram
GeoGebra
New Resources
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
找出對稱軸
画直线等分三角形的面积
拼砌四邊形
Discover Resources
正方形和長方形有甚麼特性？的副本
國旗會動
行星軌跡
DSE Circle-ACT05B Exterior Angle of a Cyclic Quadrilateral
Copy of 仙后座找北極星1
Discover Topics
Trapezoid
Sequences and Series
Inequalities
Right Triangles
Linear Regression