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圓心在同一直線上且相切的圓(半徑可改變)
Author:
lee chao ming
GeoGebra
New Resources
美國國旗 (Codex, 2026.10.06)
小数 的副本
美國國旗 (Claude 版)
AI 訓練教室
找出對稱軸
Discover Resources
判斷柱體 7
conjugate
共軛點
Directed numbers
圆锥曲线折纸操作题（教材案例）
Discover Topics
Statistical Characteristics
Geometric Distribution
Stochastic Process or Random Process
Fractions
Solids or 3D Shapes