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GeoGebra Lesson
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外公切線長
Author:
luke huang
GeoGebra
New Resources
國旗 (Claude 版)
Nested spiral octagon
AI 訓練教室
中華民國國旗 (Codex╱2026.10.06)
國旗 (作圖步驟直接餵給 Claude)
Discover Resources
排列組合
Yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
共軛點
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
两角和的正弦公式几何证明（改进）
Discover Topics
Square
Vectors 3D (Three-Dimensional)
Curve Sketching
Indefinite Integral
Frequency Distribution