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Pappus Chain
Author:
李俊儀
GeoGebra
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兩位數加法
兩組對邊相等的四邊形
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
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垂心即內心
畢氏定理變裝證明
數學繪圖
數學繪圖
圓內冪性質
Discover Topics
Intersection
Statistical Characteristics
Function Graph
Arithmetic Mean
Definite Integral