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花瓶
Author:
qianqianhouhou
α和β控制旋转 a控制形成过程
GeoGebra
New Resources
錐體建築師
找出對稱軸
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
拼砌四邊形
Discover Resources
semops_錐體
數列
余弦定理的证明
腾讯动漫
球面截痕
Discover Topics
Median Line
Mathematics
Linear Programming or Linear Optimization
Scalene Triangles
Triangles