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三角形的三个旁切圆.许兴华数学
Author:
许兴华数学
Topic:
Circle
,
Triangles
GeoGebra
New Resources
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
找出對稱軸
算柱 (兩位數)
GeoGebra笔记功能体验课件
Discover Resources
黃金螺線螢橋國中80303林心怡
abcd
封閉區域填色
Fermat's Spiral
畢氏定理證明
Discover Topics
Logic
Linear Programming or Linear Optimization
Arithmetic Mean
Volume
Right Triangles