Ответ:

  1. \(6 \cdot 6 = 36\)
  2. \(6 \cdot 9 = 54\)
  3. \(7 \cdot 5 = 35\)
  4. \(7 \cdot 8 = 56\)
  5. \(7 \cdot 2 = 14\)
  6. \(6 \cdot 4 = 24\)
  7. \(6 \cdot 3 = 18\)
  8. \(28 : 7 = 4\)
  9. \(42 : 6 = 7\)
  10. \(30 : 6 = 5\)
  11. \(21 : 7 = 3\)
  12. \(56 : 7 = 8\)
  13. \(12 : 6 = 2\)

Ответ: 36, 54, 35, 56, 14, 24, 18, 4, 7, 5, 3, 8, 2.