Do the exercise to the best of your ability. Compare: Open the GDZ and look for differences.
If your answer is different, don't just erase it. Figure out why the GDZ version is correct. Is it a spelling exception? A specific punctuation rule? gdz po russkomu jazyku za klass po uchebniku razumovskogo
If you’re going to use Razumovskaya solutions, try this "Active Learning" approach: Do the exercise to the best of your ability
Do you have a or a particular grammar topic from the book you're struggling with right now? gdz po russkomu jazyku za klass po uchebniku razumovskogo