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風車
Author:
李春培
風車
GeoGebra
New Resources
兩位數加法
兩組對邊相等的四邊形
三位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
球体的体积推导
Discover Resources
Function Transformations(2) 函數圖像的變換 (2)
繪圖練習
Apollonius Problem poncelet fouche
多邊形面積探究1
Parabola_Horizontal
Discover Topics
Trigonometry
Intersection
Percentages
Ellipse
Symmetry