Simple college students' high math questions can be found with the help of little apes' search questions and homework, and slightly complicated ones can be found with little apes' search questions. However, most search software does not cover the problems of universities. If you really encounter problems that you can't, you can ask them in the teaching group or ask the big brothers for advice. If you are really afraid of society, you can find your own examples to analyze. The questions in the college advanced mathematics exam are very simple and can generally be found.