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椭圆的光学性质
Author:
孟宝兴
GeoGebra
New Resources
柱體建築師
兩組對邊相等的四邊形
第八周作业
錐體建築師
算柱 (兩位數)
Discover Resources
數學作圖
Sequence指令練習(包絡線：拋物線)
四角柱(可側轉、上下轉)
拋物線4--平行四邊形法
三角形的构成的副本
Discover Topics
Arithmetic Mean
Expected Value
Hyperbola
Trapezoid
Median Value