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变化的三角形的旁心.许兴华数学
Author:
许兴华数学
Topic:
Geometric Transformations
,
Triangles
GeoGebra
New Resources
判斷球體
算柱 (兩位數)
兩位數除以一位數（一）
畫出對稱圖形
【案例】2013年安徽高考15题
Discover Resources
Angle Sum in a Triangle
分數與小數
ghseh 二次函數描點法上下平移-5
光的反射
繡曲線04
Discover Topics
Secant Line or Secant
Conic Sections
Limits
Hyperbola
General Quadrilateral