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圆内弦（迭代）
Author:
dhc987
GeoGebra
New Resources
圓的基本性質
龙形曲线-分形龙2
圓的切線方程
探究三角形的全等條件
讀磅
Discover Resources
Angle in the same segment
指令
積分的副本
心脏线切线族
分数的乘法
Discover Topics
Centroid or Barycenter
Straight Lines
Logarithm
Line Segment
Division