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In my opinion, the Unified State Exam (USE) is at least convenient. When choosing a subject for the USE, an applicant knows exactly what to prepare for, while taking exams directly at the university is more difficult. Also, having a certificate of passing the USE, you can make as many copies as you want and send it to many places without bothering to take entrance exams in each of them. Of course, in the end, you will need to send the original for one specialty. So, the system itself is not bad, it's just the content... However, mathematics and physics are generally satisfactory in terms of their content. I think chemistry can also be added here, but I'm not taking it, so I haven't studied the tests in detail. I haven't studied history and literature in detail either, but, to be honest, I felt relieved after looking at the demo versions of these subjects.
P.S. I don't like the essay in Russian, but that's obvious: a template-written review is boring and depressing; you can only show a little imagination by arguing your position. And even then, exactly 3 arguments are required, and to be sure that all 3 will be noticed, it is best to separate them into paragraphs, which to some extent limits... Although, Russian itself is not difficult; most of the rules are learned quickly.
P.P.S. Is there anyone here who is taking the USE this year? Which subjects? :) If you have already taken it, what was the result?
P.P.P.S. I chose physics in addition to the mandatory mathematics and Russian. However, I figured it out so well that mathematics now seems more difficult, hmm...