very amazing crossword

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Across
  1. 1. a numerical quantity that is not a whole number Difference, subtracting two numbers
  2. 3. the multiplication of two numbers
  3. 5. maximum minus the minimum
  4. 6. a mathematical problem
  5. 7. the number in the middle
  6. 8. every value in the set is a number
  7. 9. the value left after division
  8. 11. Exactly the same amount or value
  9. 12. Dividing one quality to another
  10. 16. maximum amount of something
  11. 17. the adding of two numbers
Down
  1. 2. non numerical values
  2. 4. adding to numbers
  3. 7. most commonly used number
  4. 10. when numbers in a equation are broken apart
  5. 11. greater or larger amount
  6. 13. complete
  7. 14. to take away
  8. 15. the Average