Math crossword

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Across
  1. 2. this and five tenth
  2. 4. most popular
  3. 6. middle
  4. 9. this plus this
  5. 10. this minus this
Down
  1. 1. this times this
  2. 3. missing number
  3. 5. %
  4. 7. this divided by this
  5. 8. this out of this