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平面几何基础 命题4
Author:
康乃心
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
找出對稱軸
兩位數加法
Discover Resources
極線獨立定理 / polar independence theorem
angle between lines
第一冊
塗色02
畢氏定理-切割法
Discover Topics
Trapezoid
Isosceles Triangles
Polygons
Expected Value
Limits