"GDZ" (готовые домашние задания) for these specific manuals provide step-by-step solutions to help students check their work or understand complex problems.
: Interactive platforms like ЯКласс (YaClass) offer similar practice problems with immediate feedback and theory explanations. etc.) for the basic level
: Transition to organic chemistry (alkanes, alcohols, proteins, etc.) for the basic level, or advanced inorganic for specialized tracks. etc.) for the basic level
: Some full manuals with answers are occasionally available as PDF previews on educational cloud storage sites like Google Docs or through educational communities on social networks like VKontakte . Using GDZ Effectively etc.) for the basic level