An interesting feature to develop would be Feature Name: "The Reveal Slider"

: Users earn "Brain Points" for viewing only the Hint (Level 1) instead of the Full Solution. Points could be traded for site themes, ad-free hours, or digital badges.

To make a GDZ (Готовые Домашние Задания / Ready-made Homework) website stand out, you should move beyond being a "cheat sheet" and become a

: A button that connects two users currently looking at the same problem. They can chat for 5 minutes to solve it together before the answer is revealed.

: Users upload a photo of a problem, and the AI doesn't just find the GDZ; it creates a short 30-second "TikTok-style" video explanation or voice-over explaining why that answer is correct.

Shows the final result and the detailed path.

Shows the first equation or the first step of the logic without the answer.

: Instead of just showing the right way, have a toggle for "Common Pitfalls." It highlights where students usually make mistakes in that specific problem (e.g., "Don't forget to convert centimeters to meters here!").