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S4E09 转动的圆
Author:
宋晓燕
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
AI 訓練教室
幾何作圖題：切三圓（題目）
中華民國國旗 (Codex╱2026.10.06)
近似值：有效數字
Discover Resources
Mobius strip
Space-filling curve
Congruent Triangle (SSS)
高中二年級向量的副本
GeoGebra 動畫開關按鈕製作的副本
Discover Topics
Geometric Mean
Scatter Plot
Piecewise Functions
Circumcircle or Circumscribed Circle
Translation