平均数的计算公式简介：As soon as he finished speaking, a golden light suddenly appeared. The family that was eating was cut into two pieces by the golden light, and they all died tragically. Then a line of blood words appeared on the wall.
As soon as he finished speaking, a golden light suddenly appeared. The family that was eating was cut into two pieces by the golden light, and they all died tragically. Then a line of blood words appeared on the wall.
