排列三出豹子号的概率

简介：At the intersection outside the alley, a police car parked there. The dark and thin policeman opened the driver's door and got out of the car. Then Xiao Xiaobai, who was about to step forward and open the passenger door, was pulled by the chubby policeman to the rear door, opened the door and pushed in: Where are you going? Here, let me in!