算术平均值公式简介：Due to some reasons, we had to ask Miss Jiang Li to come and stay in our temple for a while, and she was not allowed to contact the outside world, but we still got along pretty well. Li Chu explained calmly.
Due to some reasons, we had to ask Miss Jiang Li to come and stay in our temple for a while, and she was not allowed to contact the outside world, but we still got along pretty well. Li Chu explained calmly.
