Crucigrama

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Across
  1. 4. fail
  2. 8. division
  3. 10. addition
  4. 11. scholarship
  5. 13. register
  6. 15. review
  7. 17. rest
  8. 18. minus
  9. 19. multiplication
  10. 20. course
  11. 21. paragraph
Down
  1. 1. fraction
  2. 2. subtract
  3. 3. times
  4. 5. pass
  5. 6. comma
  6. 7. uppercase
  7. 9. equals
  8. 12. lowercase
  9. 14. sentence
  10. 16. period
  11. 19. plus