math terms

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Across
  1. 6. what you do with a number outside parenthesis
  2. 10. a^2+b^2
  3. 11. split numbers
  4. 13. space of a shape
  5. 14. 3.14
  6. 15. take away
Down
  1. 1. solve with computer
  2. 2. bottom of fraction
  3. 3. when the exponent is a 2
  4. 4. adding
  5. 5. times by
  6. 7. the same
  7. 8. number barriers
  8. 9. half of the width of a circle
  9. 10. parenthesis exponent...
  10. 12. top of fraction