Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Vereinfachen Sie: [fraction numerator x squared minus y squared over denominator open parentheses x plus y close parentheses squared end fraction colon fraction numerator 1 over denominator x plus y end fraction]: x-y; x+y; keine Antwort ist richtig
Right answer summary: x-y
Question state: todo