如何计算平均值公式

简介：In the middle, Wu Zong achieved the most brilliant results. The Duduo tribe on the opposite side was arrogant and careless and did not expect the Ming army to dare to cross the river. The fifty warriors not only brought back ten heads, but also set fire to many bamboo rafts placed on the shore. Their own casualties were extremely limited. Only three of the fifty men were injured. In the end, they all returned to the west bank safely. .