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拋物線6--包絡線法
Author:
33陳郁婷
GeoGebra
New Resources
小数 的副本
近似值：有效數字
直角坐標平面上的旋轉變換
找出對稱軸
錐體建築師
Discover Resources
Normal Vector
Section Curves (2)
triangle
圓錐曲線
等線段作圖
Discover Topics
Interest Calculation
Subtraction
Area
Isosceles Triangles
Addition