Răspuns: 5..a) 3√11= 3²×11=3×11=√33
b) 7√2÷3=( 7²×2)÷3=(49×2 )÷3=√33÷3
c) -6√5 = -(6²x5) = -(36×5)=-√180
d) -11√3÷4=-(11²×3)÷4=-(121x3)÷4=-√363÷4
