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Author:
Lin Ching Chieh
GeoGebra
New Resources
直角坐標平面上的旋轉變換
畫出對稱圖形
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（一）
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圓與切線
罩杯公式
拋物線--平行四邊形法
圓周 (圖形H) 的複本
Collatz Conjecture 考拉兹猜想
Discover Topics
Ellipse
Geometry
Hypergeometric Distribution
Probability
Rational Numbers