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平行1
Author:
Hui Sir
GeoGebra
New Resources
算柱 (兩位數)
拼砌四邊形
四邊形的特性
直角坐標平面上的旋轉變換
画直线等分三角形的面积
Discover Resources
分數的加法
帥哥的創舉 <3
生活中的平面圖形─四邊形的性質
superman
Tangent properties
Discover Topics
Orthocenter
Quadratic Functions
Trapezoid
Trigonometry
Polygons