Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Racionalitza [fraction numerator # c over denominator square root of # a plus square root of # b end fraction] i digues quina de les següents n'és una expressió equivalent: : -5·2^(1/2)/4+5·6^(1/2)/4; -5·2^(1/2)/32+5·6^(1/2)/32; -5·2^(1/2)/12+5·6^(1/2)/12
Right answer summary: -5·2^(1/2)/4+5·6^(1/2)/4
Question state: todo