Addition

Edit Answers
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Across
  1. 2. 384+217
  2. 3. 276+684
  3. 4. 945-677
  4. 5. 940-218
  5. 7. 790-347
  6. 10. 152+836
Down
  1. 1. 487+513
  2. 3. 549+438
  3. 6. 803-529
  4. 7. 652-198
  5. 8. 861-472
  6. 9. 743-256