You can find digital versions and guides for this textbook on several educational platforms:

: In-depth study of nouns, adjectives, pronouns, verbs, and adverbs. Word Structure : Prefixes, roots, suffixes, and endings.

If you are looking for general help on current chapters, these are the typical topics covered in the 4th-grade curriculum:

Could you please provide the and the exercise number ? I can then give you the specific solution or a detailed explanation of the grammar rule involved.

: Platforms like the Russian Electronic School provide video tutorials and summaries of the topics included in the 4th-grade program.