It was used by the Mayans as well as by Celts and in other parts of Europe in the Middle Ages.

玛雅人、凯尔特人以及中世纪欧洲的其他地区也使用二十进制。

youdao

It was used by the Mayans as well as by Celts and in other parts of Europe in the Middle Ages.

玛雅人、凯尔特人以及中世纪欧洲的其他地区也使用二十进制。

youdao