算术平均值公式

简介：In the case of a sneak attack, even Master Xuanyi of Zen Enlightenment Sect may not be able to block it without being injured. Is this guy the elder of Longyuan Pavilion of Fentian Pavilion? But the breath is obviously not that of a human monk! The energy was dispersed in all directions, and the three of them were each knocked back more than a hundred meters. Each of them put their trembling hands behind their backs