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餘弦函數 y=Cos(x)
Author:
alicesung0324
GeoGebra
New Resources
第八周作业
兩位數除以一位數（二）
兩位數加法
画直线等分三角形的面积
找出對稱軸
Discover Resources
Introduction to Polar Coordinates 極坐標簡介
折扣 例1
直方圖_Demo
行星運動
中垂線性質
Discover Topics
Ratios
Similarity Transformation or Similarity
Power Functions
Addition
Cosine