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Proof1 彭凱揚
Author:
郭亮偉
GeoGebra
New Resources
算柱 (兩位數)
幾何作圖題：切三圓（題目）
中華民國國旗 (Codex╱2026.10.06)
Claude 解幾何題
小数 的副本
Discover Resources
excenter of triangle
拼出三角形
zuiduan
circle1
Centroid
Discover Topics
Circumcircle or Circumscribed Circle
Pyramid
Histogram
Differential Calculus
Dilation