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圆锥曲线的第二定义的副本
Author:
wangyiyao
,
梁航宇
GeoGebra
New Resources
兩位數加法
算柱 (兩位數)
畫出對稱圖形
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
Discover Resources
拋物線(到一點與到一直線等距離的軌跡)
橢圓軌跡
semops_錐體
Geometry: Types of Angles 2 (幾何：角的種類 2)
PTCCS2new2
Discover Topics
Multiplication
Fractal Geometry
Exponent
Area
Polygons