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極座標 r=cos(Θ / 2)
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GEOGEBRA啟
GeoGebra
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科氏力 (Coriolis Force)
正方形雪花图案
百分數及其應用
斐波那契螺旋弧线（表格法）
第三周作业效果演示
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軌跡
橢圓
log functions
S3 Percentages
正弦函数图象
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Derivative
Symmetry
Trigonometry
Right Triangles
Mathematics