Math Mystery

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Across
  1. 4. 673,734-1,000=
  2. 5. 5,000+400+50+2=
  3. 7. 44,396-100=
  4. 9. round 67,480 to the nearest hundreds
  5. 12. nine thousand nine hundred and seventy three
  6. 14. twenty thousand five hundred and sixty seven
  7. 16. 70,000+700+200+40+6=
  8. 17. 7,760-100=
  9. 19. 9,990,000+2,000=
Down
  1. 1. 782,989-3=
  2. 2. round 862,448 to the nearest 10
  3. 3. 7,620+100=
  4. 6. 97,602+100=
  5. 8. 60,000+9,000+900+20+3=
  6. 9. 600,000+70,000+8,000+500+70+2=
  7. 10. 60,000 +90+7=
  8. 11. 956,782+10,000=
  9. 13. 3,559-100=
  10. 15. 20,679+100=
  11. 18. seven hundred thousand six hundred seventy two