连准500期的杀码公式是什么?

简介：Su Can just walked out of the geography exam classroom where the monthly exam was held. He was carrying a schoolbag with one hand and the other hand in his trouser pocket. He was still thinking about the question in the exam that wasted countless brain cells. In the end, he found out helplessly. It was not in the geography textbook, so I had to give it up.