math

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Across
  1. 3. Sequence - S
  2. 5. - 13
  3. 7. - 3
  4. 9. form - N
  5. 12. - 10
  6. 13. rectangle - 33
  7. 15. form - 45
  8. 16. - t
  9. 17. - 2
Down
  1. 1. - 77
  2. 2. - 11
  3. 4. - i
  4. 5. Method - M
  5. 6. line
  6. 8. - D
  7. 10. - E
  8. 11. - 12
  9. 14. Equation - e