Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Vereinfachen Sie! [fraction numerator 2 x minus 2 y over denominator x minus y end fraction]: keine Antwort ist richtig; 2; 0
Right answer summary: 2
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Vereinfachen Sie! [fraction numerator 2 x minus 2 y over denominator x minus y end fraction]: keine Antwort ist richtig; 2; 0
Right answer summary: 2
Question state: todo