Ответ:

  1. \(8 \cdot 7 = 56\);
  2. \(36 : 9 = 4\);
  3. \(6 \cdot 7 = 42\);
  4. \(56 : 8 = 7\);
  5. \(9 \cdot 8 = 72\);
  6. \(35 : 5 = 7\);
  7. \(7 \cdot 9 = 63\);
  8. \(64 : 8 = 8\).