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兩圓內公切線
Author:
郭逸民
兩圓內公切線
GeoGebra
New Resources
【案例】2013年安徽高考15题
漂亮的摇摆曲线
祖冲之的期望：内棋与外棋
【案例】2018年全国1卷理科12题
圓周公式的應用
Discover Resources
永遠固定大小的圖片
waaachen
Twist Bottle
Graph Paper
四下_認識小數(教師版)
Discover Topics
Incircle or Inscribed Circle
Difference and Slope
Hyperbola
Poisson Distribution
Unit Circle