Decimal Addition and Subtraction

1234567891011121314
Across
  1. 7. 3971.963 - 2989.974
  2. 8. 99.43 + 79.54
  3. 9. 0.876345 + 0.936710
  4. 12. 888.88876 - 789.77799
  5. 13. 3.3337964 + 49.7773146
  6. 14. 23.36 + 11.38
Down
  1. 1. 7986.387 + 8755.999
  2. 2. 3765764.1 + 4892893.9
  3. 3. 879.34910 - 369.45801
  4. 4. 1.3567489 - 1.3567488
  5. 5. 3568776364.58 - 8546367786.53
  6. 6. 2.76798 - 2.43451
  7. 10. 34637.897 - 26777.312
  8. 11. 73.98910 - 62.75111