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極座標 r=cos(Θ / 2)
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GEOGEBRA啟
GeoGebra
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斐波那契螺旋弧线（表格法-可动态调节）
第八周作业1
科氏力 (Coriolis Force)
百分數及其應用
平行線的判定
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斜率 - 概念及定義 (1)
中點軌跡
利用对称求线段和最值
string art
一次函数图像的平移
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Trapezoid
Probability
Congruence
Vectors
Sequences and Series