数学求平均值公式简介：Soon, Bahana, the great scholar of the inner court, was sent to the Ming Dynasty as the chief envoy, and Zu Dashou was the deputy envoy. The news that the fifth son Zeqing was accompanying him spread in Shenyang City.
Soon, Bahana, the great scholar of the inner court, was sent to the Ming Dynasty as the chief envoy, and Zu Dashou was the deputy envoy. The news that the fifth son Zeqing was accompanying him spread in Shenyang City.
