数学求平均值公式简介：Zhu Cixiang was surprised and doubtful. Shouldn't he be on his way immediately in the morning? Why did you go hunting? If you catch it, you have to pluck it and skin it, which takes half a day. Shouldn't you leave today?
Zhu Cixiang was surprised and doubtful. Shouldn't he be on his way immediately in the morning? Why did you go hunting? If you catch it, you have to pluck it and skin it, which takes half a day. Shouldn't you leave today?
