$$\left. \begin{array} { l } { 11 \times x = ( 3 , 5 + 6 ) a ^ { 2 } = } \\ { 45 ^ { 3 } \times 5 = ( 6 , - 3 ) \cdot ( 6 + 4 ) ] ( 0 , 2 } \\ { x \times x = ( 6 + 5 ) \cdot ( 6 , 4 ) , 1 ) \text { s \right.$$