It is likely that this name refers to a local teacher, a specific school-issued worksheet creator, or perhaps a misspelling of a different author. In the Russian educational system, standard 5th-grade mathematics GDZ materials typically follow textbooks by authors such as: (Н.Я. Виленкин) A.G. Merzlyak (А.Г. Мерзляк) S.M. Nikolsky (С.М. Никольский)
Check sites like InfoUrok or MultiUrok , as teachers often upload their own methodological developments there. gdz po matematike za 5 klass pashina vera mikhailovna
Instead of the author's name, type the exact text of a unique problem from the workbook into a search engine. This often leads to forums where the specific manual is discussed. It is likely that this name refers to
Could you provide the of the book or the first sentence of a problem you are trying to solve? This will help in identifying the correct source. Merzlyak (А