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变化的三角形的内心.许兴华数学
Author:
许兴华数学
Topic:
Incircle or Inscribed Circle
,
Triangles
GeoGebra
New Resources
球體建築師
三位數除以一位數（二）
三位數除以一位數（一）
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
等分例子
正方体
重心
算幾不等式
函数作图工具的副本
Discover Topics
Scalene Triangles
General Quadrilateral
Function Graph
Matrices
Statistical Characteristics