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正弦函數的遞增與遞減
Author:
luke huang
GeoGebra
New Resources
近似值：有效數字
Earth with coastline
國旗 (作圖步驟直接餵給 Claude)
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
Discover Resources
畢氏定理動態證明(歐基里得，平形四邊形等面積2，應用時間參數跳躍函數配合向量)
椭圆的定义
Clown
Perimeter
约瑟夫问题
Discover Topics
Root
Parabola
Numbers
Quadrilaterals
Secant Line or Secant