Math

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Across
  1. 4. 6:2=3
  2. 5. difference
  3. 6. expert on math
  4. 8. measure
  5. 9. doctor
  6. 10. 1:2
Down
  1. 1. by chance
  2. 2. rules
  3. 3. operation
  4. 7. 222422242224