Mathematics

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Across
  1. 3. Symbol used to represent a number
  2. 5. Answer to a subtraction problem
  3. 7. "Reunion of broken parts"
  4. 8. Answer to a division problem
  5. 9. Answer to a addition problem
Down
  1. 1. "Study of the quantity of something"
  2. 2. Answer to a multiplication problem
  3. 4. Resolving a problem with the opposite sign
  4. 6. Order of Operations