排列3组六概率

简介：Not to mention this, under the persuasion of the prince, Emperor Chongzhen agreed to retain the small coal kiln on Xishan Mountain and implement an auction system. The starting price for a coal kiln is 5,000 taels of silver a year, and the auction lasts for three years. The winning merchants will operate and produce Xishan. From now on, it will no longer be an illegal private coal mine, but a public coal mine recognized by the court.