平均数的计算公式简介：But the minister was curious, and before burning it, she quietly took a look at Yun Niang and suddenly burst into tears: If I had known, the minister should not have looked at it.
But the minister was curious, and before burning it, she quietly took a look at Yun Niang and suddenly burst into tears: If I had known, the minister should not have looked at it.
