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旋轉線段
Author:
羅驥韡 (Pegasus Roe)
Topic:
Complex Numbers
,
Geometry
GeoGebra
New Resources
兩位數加法
兩位數除以一位數（一）
【案例】2013年安徽高考15题
三位數除以一位數（二）
四邊形的特性
Discover Resources
World's Second-Hardest Easy Geometry Problem
正三角形
斜線2
Copy of 梯形
轴对称
Discover Topics
Distributions
Centroid or Barycenter
Trigonometric Functions
Stochastic Process or Random Process
Ellipse