Решите систему уравнений: {xy=930,yz=992,xz=960.\left\{ \begin{array}{l} xy = {\rm{930}},\\ yz = {\rm{992}},\\ xz = {\rm{960}}. \end{array} \right.⎩⎨⎧xy=930,yz=992,xz=960.