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任意三角形兩不等圓
Author:
Lin Ching Chieh
GeoGebra
New Resources
畫出對稱圖形
國旗 (作圖步驟直接餵給 Claude)
AI 訓練教室
Earth with coastline
中華民國國旗 (Codex╱2026.10.06)
Discover Resources
物件的平移概念
HKMO 2008 Question 3 Demonstration (Geometric Construction)
gyzpa 用圓近似拋物線
劉徽的「割圓術」
分數應用題：比較兩數的大小
Discover Topics
Means
Function Graph
Pie Chart or Circle Chart
Matrices
Subtraction