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定周长的正多边形面积变化规律(含圆)
Author:
张英华
GeoGebra
New Resources
Claude 解幾何題
國旗 (Claude 版)
四邊形的特性
畫出對稱圖形
長方體平面投影 (Codex版)
Discover Resources
Rotational Symmetry - Octahedron
regular tetrahedron (CH4)
摩天輪
Ex5C#14
Example 5