The effectiveness of a ( tetrad na pechatnoj osnove ) largely depends on whether it aligns with your specific textbook (most commonly the Bogolyubov or Kotova/Liskova series).

g., Kotova, Bogolyubov, or Soboleva) is considered the best for OGE preparation?

: Some teachers rarely use them in class, leaving students with an expensive, half-empty book. It is often better to buy them only if your teacher actively integrates them into the curriculum. Conclusion