If it is a professional course, it should be an independent proposition. However, science and engineering mathematics has a public examination course, which is divided into number one, number two, number three and number four. It is estimated that at least the national unified examination should be taken first, and then the professional courses may take computer-related examinations. There should be some computer-related math problems in the second interview.

I haven't been to Peking University, so I'm not sure, but the general rule is this. Although Peking University is one of 34 universities, I should abide by this rule. I hope I can help you.