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与椭圆焦点三角形外角平分线有关的轨迹.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
正方形雪花图案
科氏力 (Coriolis Force)
直線的斜率
百分數及其應用
圓周公式的應用
Discover Resources
中一︰相似圖形（平移、旋轉、反射、放大縮小）
鋪地磚(六邊形)
Locus (What's wrong)
等角对等边
[洋葱] 2019河北中考25 圆与四边形
Discover Topics
Vectors 2D (Two-Dimensional)
Stochastic Process or Random Process
Dilation
Definite Integral
Linear Regression