Найди значения выражений

1. \(\cfrac{8}{9}:\cfrac{3}{4}+\cfrac{2}{3}=\) [ ].
2. \(\cfrac{8}{9}:\left (\cfrac{3}{4}+\cfrac{2}{3}\right )=\) [ ].
3. \(1-\cfrac{9}{16}:2\cfrac{1}{4}-\cfrac{1}{12}=\) [ ].
4. \(\left (1-\cfrac{9}{16}\right ):2\cfrac{1}{4}-\cfrac{1}{12}=\) [ ].
5. \(\left (1-\cfrac{9}{16}\right ):\left (2\cfrac{1}{4}-\cfrac{1}{12}\right )=\) [ ].
6. \(1-\cfrac{9}{16}:\left (2\cfrac{1}{4}-\cfrac{1}{12}\right )=\) [ ].