Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Racionalitzeu l'expressió: [fraction numerator 2 over denominator square root of 7 minus square root of 5 end fraction equals]: 2^(1/2); 2·3^(1/2); 5^(1/2)+7^(1/2); -5^(1/2)+7^(1/2)
Right answer summary: 5^(1/2)+7^(1/2)
Question state: todo