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regular tetrahedron in a cube
Author:
johnmayhk
GeoGebra
New Resources
球體建築師
兩組對邊相等的四邊形
畫出對稱圖形
算柱 (兩位數)
第八周作业
Discover Resources
Trigonometric Ratios: Cosine & Tangent 三角比：餘弦和正切
方向餘弦
semicircle
立體
雙曲線1-焦點法
Discover Topics
Curve Sketching
Similar Triangles
Geometric Distribution
Rotation
Arithmetic Operations