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漂亮ㄉ東東
Author:
蘇梓棱
GeoGebra
New Resources
比較五件物件的重量
龙形曲线-分形龙
圓的切線方程
平行線的斜率
祖冲之的期望：内棋与外棋
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黎曼和
正三角形堆垛
椭圆的两条垂直切线的交点轨迹
Oscillations
HKCEE 2009 Q17
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Secant Line or Secant
Ellipse
Statistical Characteristics
Congruence
Linear Functions