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對稱-釘板-Student
Author:
lkkbmaths teachers 檔案儲存用
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三角函数线
圖二的副本
S3-E3三角函数线
【范本】中考：动点 4问
面积2
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trigonometry1
填色
Hypocycloid Wheel
外心
GGB 表格区与递回关系
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Angles
Dilation
Mode
Plane Figures or Shapes
Congruence