А) ; б) .

It seems like you've included two letters from the Cyrillic alphabet—'a' and 'b'—and possibly formatting symbols like a semicolon ';' and a full stop '.' These characters could be intended to represent list items or bullet points in an outline.

If you are organizing information for university exam preparation and using these as placeholders for different topics, you might have something like this:

а) Topic 1: [Description of topic 1 content]; б) Topic 2: [Description of topic 2 content].

However, without additional context, it's challenging to provide specific assistance. If you provide more details or indicate specific subjects or topics, I can offer more tailored guidance for your exam preparation.