Finding digital copies of standard school books is easiest through these established platforms:
: A direct source for school-level textbooks that can be viewed online or downloaded. knigi po russkomu iazyku skachat
Навигатор самостоятельной подготовки к ЕГЭ - ФИПИ Finding digital copies of standard school books is
: A comprehensive portal where you can find and download Russian language textbooks, workbooks, and GDZ (solution keys) in PDF and DjVu formats. knigi po russkomu iazyku skachat