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penrose三角形
Author:
宋晓燕
GeoGebra
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盈利與虧蝕
科氏力 (Coriolis Force)
正方形雪花图案
第八周作业3
异形操场
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「分點」平行四邊形
Angle Between a Line and a Plane Definition 線與平面的交角 定義
排水法求物件體積
St. Line
存款模擬程式
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Similar Triangles
Curve Sketching
Tangent Line or Tangent
Surface
Bar Chart or Bar Graph