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抛物线定义
Author:
周成涛
Topic:
Conic Sections
GeoGebra
New Resources
拼砌四邊形
第八周作业
找出對稱軸
兩位數加法
錐體建築師
Discover Resources
Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
Fractal Spirograph (Fractal Roulette)
Copy of 平行四邊形
三年級除法(一)：一位數除兩位數
正弦曲线的生成
Discover Topics
Random Variables
Centroid or Barycenter
Linear Programming or Linear Optimization
Complex Numbers
Angles