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4 Jan 500 Jahr - 5世纪,中国南北朝时南朝的祖冲之(429-500)算出圆周率的值到小数点后第七位,比西方人早1000多年

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Bylee66
29 Mär 2024
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4 Jan 500 Jahr
Jetzt
~ 1526 years ago
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