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圆锥的侧面展开图3D动画的副本
Author:
朱延刚
,
qianqianhouhou
拖动点C
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
sanjiaohanshu
判斷球體
Discover Resources
外心
題 7
對稱及變換
堆疊(圓、正方形、正三角形)
平移練習
Discover Topics
Variance
Quadrilaterals
Linear Functions
Equations
Coordinates