unite 3"math"

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Across
  1. 3. to reply or react
  2. 4. to form or outline of same thing
  3. 7. to the state of being alike or almost the same
  4. 9. surgery medical operation to improve or change appearance
  5. 11. a difficult task or problem
  6. 14. a person who studies or works in mathematics
  7. 15. an important part or characteristic
Down
  1. 1. class people within an average income
  2. 2. the kind of math that is about illness and shapes
  3. 5. a relationship between 2 numbers
  4. 6. the same in number size or shape
  5. 8. note a symbol that shows the pitch and duration of a sound in music
  6. 10. the basic rhythm or pulse in music
  7. 12. good looking
  8. 13. separate into parts