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圆锥的侧面展开图3D动画的副本
Author:
孙广仁
,
qianqianhouhou
拖动点C
GeoGebra
GeoGebra
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直角坐標平面上的旋轉變換
sanjiaohanshu
美國國旗 (Codex 版)
兩組對邊相等和有直角的四邊形
找出對稱軸
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z=x^2-y^2
給柱體一個名字 3
Scatter diagram(散點圖)
矩阵（自动）计算（数据为0-5的随机数）
平行四边形
Discover Topics
Statistical Characteristics
Solids or 3D Shapes
Probability
Multiplication
Conic Sections