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圆锥的侧面展开图3D动画的副本
Author:
liuyanbo
,
qianqianhouhou
拖动点C
GeoGebra
New Resources
四邊形的特性
畫出對稱圖形
兩位數除以一位數（二）
【案例】2013年安徽高考15题
直角坐標平面上的旋轉變換
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正多面體
試試看吧!
Conic section
七角柱(可側轉、上下轉)
B6 二次函數
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Area
Linear Programming or Linear Optimization
Numbers
Symmetry
Similar Triangles