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Q3-12
Author:
johnmayhk
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
sanjiaohanshu
找出對稱軸
長方體平面投影 (Codex版)
Discover Resources
平面向量
滾動圓周來發現圓周長
GeoGebra的認識與安裝
垂心
n-m9bch1-1-2b-二次函數及其圖形-07
Discover Topics
Vectors 2D (Two-Dimensional)
Similar Triangles
Right Triangles
Dilation
Functions