Impersonal, definite-personal, and indefinite-personal structures.
Helping students prepare for VPR (All-Russian Verification Work) by practicing standardized tasks. How to Access Online Responsibly
You can find these materials on educational portals such as Webmath or GDZ.ru , which host interactive versions of the textbook and answers.
Proper pronunciation (orthoepy) and stylistic variations of the Russian language. Why Students Use GDZ (Reshebniks)