Math Magic

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Across
  1. 3. Some are bigger than others
  2. 5. A cheesy shape
  3. 6. Look at both sides at once
  4. 9. To break this, break boundaries
  5. 10. A calculative human being, literally
Down
  1. 1. Romance of four tangent circles
  2. 2. The left, right and centre of shapes
  3. 4. Five but in Eastern Arabic
  4. 7. It is not elementary, Watson
  5. 8. The face of infinite temperature