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兩圓內公切線
Author:
郭逸民
兩圓內公切線
GeoGebra
New Resources
美國國旗 (Codex 版)
找出對稱軸
近似值:有效數字
伊朗國旗 (Codex╱2026.10.07)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
I Love Pixar
正多角錐(可輸入底面邊數)
Illusion-内凹的正方形
Copy of 離心率與圓錐曲線
Discover Topics
Isosceles Triangles
Exponential Functions
Limits
Line Segment
Square