万能七码怎么使用简介：The specified number of lottery balls are blown out in sequence, and the power is automatically turned off after the lottery is over. Blow out one cubic centimeter of air. Calculate the probability that the results are consistent.
The specified number of lottery balls are blown out in sequence, and the power is automatically turned off after the lottery is over. Blow out one cubic centimeter of air. Calculate the probability that the results are consistent.
