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與兩圓相切之圓圓心軌跡
Author:
官長壽(longlife)
GeoGebra
阿壽工坊---
http://120.101.70.8/longlife/
New Resources
第八周作业2
科赫雪花
科氏力 (Coriolis Force)
龙形曲线-分形龙2
平行線的判定
Discover Resources
奈格爾點與葛爾崗點互為等距共軛點
Rotation
根據百分率找數量（二）: 例4的副本
sin(x) 的函數圖形 官長壽老師
半圆的滚动
Discover Topics
Natural Numbers
Intersection
Parallelogram
Secant Line or Secant
Cylinder