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外心
Author:
mathguo
外心
GeoGebra
New Resources
第八周作业
直線的斜率：水平變化 & 鉛垂變化
圓的切線方程
盈利與虧蝕
科氏力 (Coriolis Force)
Discover Resources
三角形面積與內切圓半徑
圖解配方法
group m
畢氏定理
雙曲線1 交點法
Discover Topics
Tree Diagrams
Special Points
Circumcircle or Circumscribed Circle
LCM and GCD
Volume