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交點軌跡動態
Author:
黃德彥
圓O上動點Q ，另給圓外一定點F，OQ直線與FQ中垂線之交點軌跡。
GeoGebra
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Earth with coastline
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Travel Graph (Two Bodies) 行程圖 (雙物體)
優良作品6
總結
y=asin(kx+b)+c的圖形1061030
七巧板（tangram）的副本
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Perimeter
Mathematics
Curve Sketching
Triangles
Fractal Geometry