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椭圆的光学性质
Author:
孟宝兴
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
四邊形的特性
近似值：有效數字
異分母分數減法
Discover Resources
lab5_task2
學資p.13第7題
Copy of Fill a special area
三角形
立體旋轉卡片
Discover Topics
Fractal Geometry
Variance
Exponent
Piecewise Functions
Standard Deviation