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椭圆的离心率

Author:孟宝兴

制作：@佳木斯韩清华，修订：孟宝兴

New Resources

長方體平面投影 (Codex版)
畫出對稱圖形
四邊形的特性
找出對稱軸
Claude 解幾何題

Discover Resources

星球運動模擬
實數的指數律
圆心角和圆周角
Diagram 1
P4構作對稱圖形

Discover Topics

Reflection
Pythagoras or Pythagorean Theorem
Triangles
Vectors 3D (Three-Dimensional)
Square

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