Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Wie lautet der Hauptnenner der folgenden Brüche? [2 over x comma fraction numerator 4 a over denominator x plus y end fraction comma fraction numerator a over denominator 2 x end fraction]: keine Antwort ist richtig!; 4a; 2x+y; 2x(x+y)
Right answer summary: 2x(x+y)
Question state: todo