Showing posts with label
幾何学:立体幾何学
.
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Showing posts with label
幾何学:立体幾何学
.
Show all posts
Sunday, December 28, 2014
Mathematics: 5 Platonic Solids (５つのプラトンの立体)
Platonic solids (プラトンの立体, 正多面体)
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