The of the textbook itself (e.g., topics covered, level of difficulty).

This query relates to the "Praktikum po matematike po podgotovke k EGE" (Math Workshop for USE Preparation) by Levchenko and the search for its GDZ (ready-made homework answers). This request could refer to a few different things:

Please clarify which of these you are interested in so I can provide the right information.