Распредели элементы

• \(-70\)
• \(-33\)
• \(-45\)
• \(-35\)
• \(70\)
• \(-27\cfrac{2}{9}\)

1. \(6\cfrac{4}{7}\cdot \left(10-13\cfrac{4}{7}\right)+13\cfrac{4}{7}\cdot \left(6\cfrac{4}{7}-10\right)=\) [ ].
2. \(-12\cdot 2\cfrac{1}{5}-\cfrac{11}{5}\cdot 3=\) [ ].
3. \(\left(-\cfrac{5}{7}\right):\cfrac{7}{8}:\left(-\cfrac{8}{9}\right)\cdot (-49)=\) [ ].