Math

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Across
  1. 7. strange
  2. 8. sane
  3. 10. the point of view
  4. 11. the inverse operration of multiply
  5. 12. sound level
Down
  1. 1. the inverse operration of sutraction
  2. 2. the belonging to someone
  3. 3. the inverse operartion of Addition
  4. 4. shape of an object
  5. 5. hard subsatance of paving
  6. 6. the inverse operration of divide
  7. 9. the place of a request