Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calculeu: [fourth root of 405 minus fourth root of 5 minus fourth root of 80 equals]: 0; 5; 5^(1/2); 5^(1/4)
Right answer summary: 0
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calculeu: [fourth root of 405 minus fourth root of 5 minus fourth root of 80 equals]: 0; 5; 5^(1/2); 5^(1/4)
Right answer summary: 0
Question state: todo