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任务8：一线三等角的相似模型
Author:
陈丽婷
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
算柱 (兩位數)
拼砌四邊形
四邊形的特性
Discover Resources
test book
Activity 3
Rectangle
合 24（淺中深）
Copy of 線性組合2 三角形
Discover Topics
Translation
Expected Value
Fractal Geometry
Coordinates
Similar Triangles