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三角函數值 (特別角)
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
判斷球體
画直线等分三角形的面积
畫出對稱圖形
兩位數除以一位數(二)
找出對稱軸
Discover Resources
圆锥曲线定义的拓展(卡西尼卵形线)
四邊形的「等角分點」的副本
图案A
規律物件
小六_百分數(一)
Discover Topics
Rectangle
Special Points
Trigonometric Functions
Arithmetic Operations
Functions