Ответ:

  1. \(289 + 908 = 1197\).
  2. \(1004 - 342 = 662\).
  3. \(1376 + 2517 = 3893\).
  4. \(4350 - 1165 = 3185\).
  5. \(4648 + 9237 = 13885\).
  6. \(2111 - 1562 = 549\).