Math Addition 4D + 4D

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Across
  1. 1. 7423 + 2189
  2. 5. 9102 + 4738
  3. 6. 5812 + 4376
  4. 7. 9328 + 2649
  5. 8. 8641 + 3574
  6. 10. 3267 + 4928
Down
  1. 2. 6893 + 5174
  2. 3. 6935 + 4887
  3. 4. 8254 + 6391
  4. 9. 7546 + 2847