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中線定理(阿波羅尼奧斯)定理
Author:
連琨銘
GeoGebra
New Resources
找出對稱軸
sanjiaohanshu
畫出對稱圖形
三半圓間的相切圓(Codex╱2026.10.07)
Nested spiral octagon
Discover Resources
固定周界的長方形的面積變化
log and power funtion
直角三角形斜邊上的高小於斜邊的一半
线段
小正多边形在大正多边形内的滚动（边长不相等）
Discover Topics
Equilateral Triangles
Poisson Distribution
Upper and Lower Sum or Riemann Sum
Statistical Characteristics
Rectangle