: Some current guides suggest using dynamic geometry software like GeoGebra or AI tools such as Wolfram Alpha to verify constructions and calculations in lieu of a printed solution key. Pros and Cons of Using GDZ for Kiselev Pros :
: Reviews of Alexander Givental’s English adaptation note that Kiselev did not include a solution key because he believed providing answers makes exercises "useless" for both discovery and self-verification. : Some current guides suggest using dynamic geometry
: Helps students bridge the gap between Kiselev’s concise proofs and complex exercises. : Some current guides suggest using dynamic geometry