Math

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Across
  1. 3. Same
  2. 4. Not a planet
  3. 6. surgery operation
  4. 7. Order
  5. 8. Relationship between two numbers
  6. 9. to saying something in reply
Down
  1. 1. To work
  2. 2. Rules
  3. 5. being the same in quantity, size, degree, or value
  4. 7. form of something