Perla

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Across
  1. 2. The exponent is a 3
  2. 5. The ratio of the circumference to the diameter
  3. 7. The letter in the equation
  4. 8. What the variable equals
  5. 9. Next to each other
  6. 10. The answer to a subtraction problem
Down
  1. 1. opposite from each other
  2. 3. adds up to 180
  3. 4. When the variables match
  4. 6. An expression with an exponent