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20170715learn
Author:
王儷娟
GeoGebra
New Resources
長方體平面投影 (Codex版)
sanjiaohanshu
找出對稱軸
畫出對稱圖形
直角坐標平面上的旋轉變換
Discover Resources
棋聖加油
心臟線方程式
鑲嵌圖形-2 SAKULA
軌跡 直線 (與兩平行線等距)
光的折射
Discover Topics
Vectors
Ellipse
Trapezium
Quadratic Functions
Right Triangles