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極座標 r=1+cos(θ)
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GeoGebra
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异形操场
活动三:应用性质
斐波那契螺旋弧线(表格法-可动态调节)
三角函数 的副本
斐波那契螺旋弧线(表格法)
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小學數學
gjh-g05-01 平方差公式
Wave Interference
直角座標轉為極座標
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Ellipse
Quadratic Functions
Curve Sketching
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Right Triangles