ID:94789
きゅっ。
by きゅっ。
[724386hit]

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■π
May I tell a story purposing to render clear the ratio circular perimeter breadth, revealing one of the problems most famous in modern days, and the greatest man of science anciently known.

π= 3.14159265358979323846264338327950288419716939935710・・・
03月14日(月)

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[1]過去を読む
[2]未来を読む
[3]目次へ

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[4]ｴﾝﾋﾟﾂに戻る