格仔 Blog: 兩個 tetrahedra inscribed in a cube ...，點 q 畫呀 ..................。

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Friday, December 9, 2011

兩個 tetrahedra inscribed in a cube ...，點 q 畫呀 ..................。

http://www.math.umn.edu/~roberts/java.dir/JGV/tetra-in-cube.html

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Friday, December 9, 2011

兩個 tetrahedra inscribed in a cube ...，點 q 畫呀 ..................。

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