\(\dfrac{3}{4}-\dfrac{5}{6}< \dfrac{x}{12}< 1-\left(\dfrac{2}{3}-\dfrac{1}{4}\right)\)
\(\Leftrightarrow\dfrac{-1}{12}< \dfrac{x}{12}< \dfrac{7}{12}\)
\(\Leftrightarrow-1< x< 7\)
Vì \(x\in Z\)
\(\Rightarrow x\in\left\{0;1;2;3;4;5;6\right\}\)
Vậy \(x\in\left\{0;1;2;3;4;5;6\right\}\)