the numbers

12345678910111213141516171819
Across
  1. 2. nineteen+forty one
  2. 4. twenty four+six
  3. 5. five+eleven
  4. 6. two+seven
  5. 10. sixteen+two
  6. 11. nine+five
  7. 14. eleven+two
  8. 15. ten+nine
  9. 18. five+three
  10. 19. fifteen+twenty five
Down
  1. 1. thirty+fifty
  2. 3. seven+eight
  3. 7. thirty three+fifty seven
  4. 8. eight+nine
  5. 9. thirteen+fifty seven
  6. 12. zero+ten
  7. 13. twenty one+twenty nine
  8. 14. eleven+nine
  9. 16. five+seven
  10. 17. one+ten