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蝴蝶線 butterfly line
Author:
MathChou
Click "Run/Stop" button to try the move.
GeoGebra
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找出對稱軸
【案例】2013年安徽高考15题
兩位數除以一位數（二）
柱體建築師
兩位數除以一位數（一）
Discover Resources
Sequence指令練習(圓面積的展開)
Apollonius Problem 7 CCP Inversion simple 34
clock
雙曲線的定義
最佳解
Discover Topics
Vectors 3D (Three-Dimensional)
Random Variables
Integers
Conic Sections
Vectors