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中心在原点的正四面体
Author:
刘金堂
Topic:
Solids or 3D Shapes
GeoGebra
New Resources
兩組對邊相等的四邊形
AI 訓練教室
近似值：有效數字
判斷球體
sanjiaohanshu
Discover Resources
平行四邊形變奏曲III
用兩圓編織美麗的曲面
a slope triangle
concurrence of medians and bimedians of tetrahedron
終點軌跡
Discover Topics
Planes
LCM and GCD
Vectors 2D (Two-Dimensional)
Volume
Calculus