11-02-2022, 10:42 AM
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Different numbering systems
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11-02-2022, 10:48 AM
10分钟学会写别人看不懂的数字! 你又能跟小伙伴炫耀了！ - 青少年科普 - 淮北市科学技术协会
http://www.hbkx.gov.cn/index.php?m=conte...16&id=1538
11-02-2022, 10:50 AM
What are Cistercian numbers -- the forgotten ciphers of Medieval monks
https://www.zmescience.com/science/cirst...-90432432/ |
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