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Upsilon

File:Upsilon_uc_lc.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ14423· pop 88· linked from 221 articles

Also known as υ

chữ cái thứ 20 trong bảng chữ cái Hy Lạp

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Upsilon (Υ) is the twentieth letter of the Greek alphabet that represents the number 400 in the ancient Greek numeral system. It originated from the Phoenician letter waw and remains part of the Greek writing system used today.

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