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教学素材：正余弦函数及其反函数
Author:
清风拂琴，陌上花开
GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
球體建築師
兩組對邊相等的四邊形
美國國旗 (Claude 版)
Discover Resources
兩圓的位置關係 ver.1
圓周率的應用 題1
硬幣換算小遊戲
雙曲線軌跡
GeoGebra合作伙伴关系
Discover Topics
Straight Lines
Coordinates
Arithmetic Operations
Quadrilaterals
Secant Line or Secant