Ответ:

  1. \(804 : 4 = 201\)
  2. \(256 : 2 = 128\)
  3. \(645 : 5 = 129\)
  4. \(224 : 4 = 56\)
  5. \(439 \cdot 2 = 878\)
  6. \(133 \cdot 2 = 266\)
  7. \(164 \cdot 4 = 656\)
  8. \(492 \cdot 2 = 984\)
  9. \(152 - 92 = 60\)
  10. \(460 - 138 = 322\)
  11. \(824 - 180 = 644\)
  12. \(374 - 149 = 225\)
  13. \(24 + 348 = 372\)
  14. \(830 + 126 = 956\)
  15. \(128 + 182 = 310\)
  16. \(753 + 197 = 950\)