1. The vigesimal system (counting in base 20) is thought to originate from humans' fingers and toes.
据猜想,二十进制(以20为基数进行计算)源于人类的手指和脚趾。

来自互联网

2. The vigesimal system (counting in base 20) is thought to originate from humans' fingers and toes.
据猜想,二十进制(以20为基数进行计算)源于人类的手指和脚趾。

来自互联网