Crossword

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Across
  1. 2. 561 - 154 = 7_
  2. 4. 831 - 588 = 2_
  3. 5. 321 + 233 = 5_
  4. 10. 745 - 177 = 9_
  5. 12. 900 - 415 = 4_
  6. 13. 980 - 473 = 50_
  7. 14. 542 + 188 = 7_
Down
  1. 1. 698 + 176 = 8_
  2. 2. 230 + 24 = 25_
  3. 3. 940 - 548 = 3_
  4. 6. 350 + 289 = 6_
  5. 7. 487 - 261 = 2_
  6. 8. 294 + 84 = 3_
  7. 9. 650 - 152 = 4_
  8. 11. 425 + 51 = 3_