Addition and Subtraction of Real Numbers

1234567891011121314
Across
  1. 1. 22-9
  2. 3. 17+44
  3. 5. 12206-5879
  4. 7. 18.833-9.266
  5. 9. 159-13
  6. 10. 10+1
  7. 11. 687-67
  8. 13. 119+1616
Down
  1. 1. 123.46+58.65
  2. 2. 235+232
  3. 3. 27+40
  4. 4. 124-69
  5. 6. 1569+930
  6. 7. 27+69
  7. 8. 687-67
  8. 10. 465+750
  9. 12. 20-7
  10. 14. 445+89.75