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与两圆都相切的动圆圆心的轨迹
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
異分母分數減法
兩組對邊相等的四邊形
判斷球體
Discover Resources
腳踏車輪圈
Apollonius Problem poncelet fouche
配方法 Completing the Square
拋物線的兩切線
正方体、正四面体的外接球
Discover Topics
Variance
Numbers
Optimization Problems
Arithmetic Mean
Function Graph