math

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Across
  1. 2. a symbol that represents an unknown number
  2. 4. to find the difference between two numbers
  3. 6. to find the quotient of two numbers
  4. 7. less than zero
  5. 10. a rule that assigns a unique output to each input
  6. 11. a mathematical object used to count, measure, and represent quantities
Down
  1. 1. greater than zero
  2. 3. a combination of numbers, variables, and operations
  3. 5. : to find the product of two or more numbers
  4. 8. to combine two or more numbers to get a new number
  5. 9. a mathematical statement that two expressions are equal