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冰淇淋
Author:
Cathyyu920311
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拼砌四邊形
找出對稱軸
異分母分數減法
GeoGebra笔记功能体验课件
【案例】圆柱体内放置一个大球六个小球
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由拉線80303林心怡
角柱
我的傑作
rotational symmetry_3
诱导公式四（原点对称关系）
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Equilateral Triangles
Planes
Similar Triangles
Vectors 2D (Two-Dimensional)
Geometric Distribution