V. Nechaeva (2017 edition), likely specifically for a "reshebnik" (answer key or GDZ).
: Sites like GDZ.ru often host comprehensive answer keys for various editions of 2nd-grade Russian textbooks. Even if the exact year differs slightly, the exercises are often very similar. chitat reshebnik russkii iazyk 2 klass nechaeva 2017 onlain
: Rules for transferring words (hyphenation), spelling combinations like ЧН and ЧК, and handling double consonants. V. Nechaeva (2017 edition)
While finding a direct, full PDF of the specific 2017 answer key can be tricky due to copyright and changing editions, there are several reliable ways to access the material or equivalent support online. Where to Find Materials Online spelling combinations like ЧН and ЧК
(Reshebnik Nechaeva 2nd grade online)