Question

вычислить V((V(16-6V7)+V7)*3)

Answer 1

$\sqrt{(}\sqrt{(16-6}\sqrt{7}) + \sqrt{7})*3) = \\ = \sqrt{(}\sqrt{(\sqrt{9}- }\sqrt{7}) ^{2} + \sqrt{7})*3)=\\=\sqrt{(}\sqrt{9} - \sqrt{7} +\sqrt{7} )*3) = \sqrt{3*3} =3$