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用交轨法求动点的轨迹方程图.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
兩組對邊相等的四邊形
算柱 (兩位數)
画直线等分三角形的面积
兩位數加法
三位數除以一位數（二）
Discover Resources
try_111
Drawing quadrilaterals on the grid or the pinboard
三角形
包絡線
量角器
Discover Topics
Incircle or Inscribed Circle
Geometry
Plane Figures or Shapes
Logarithmic Functions
Matrices