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Author:
enming
GeoGebra
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异形操场
椭圆内切圆链
斐波那契螺旋弧线(表格法-可动态调节)
斐波那契螺旋弧线(表格法)
中华人民共和国国旗
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內心
task3
弦心距比較
等距共軛點(isotomic conjugate point)
点的轨迹
Discover Topics
Orthocenter
Trigonometry
Derivative
Parametric Curves
Parallelogram