Ответ:

  1. \(1\,236 \cdot 4 = 4\,944\).
  2. \(2\,448 : 3 = 816\).
  3. \(804 \cdot 8 = 6\,432\).
  4. \(1\,545 : 5 = 309\).
  5. \(1\,300 \cdot 3 = 3\,900\).
  6. \(1\,960 : 7 = 280\).