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圓外切四邊形
Author:
Gideon Huang
GeoGebra
New Resources
直線的斜率：水平變化 & 鉛垂變化
圓的切線方程
常见四边形是否是双心四边形
盈利與虧蝕
异形操场
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已知正三角形內部一點到三邊距離求面積
中点轨迹
旋轉體：8y² = x²(1 - x²)
周界-平移法(練習二)
函数作图工具的副本
Discover Topics
Linear Equations
Hyperbola
Sequences and Series
Derivative
Ellipse