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圆锥、圆锥台
Author:
吕玉雷
GeoGebra
New Resources
畫出對稱圖形
兩位數除以一位數（一）
錐體建築師
兩組對邊相等的四邊形
画直线等分三角形的面积
Discover Resources
斯坦納-雷米歐司(Steiner-Lehmus)定理證明二
优秀资源
Copy of sin(x) 的函數圖形
|cos(z)|
平移中心
Discover Topics
Addition
Logarithmic Functions
Subtraction
Square
Confidence Interval