A. Basic math symbols

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Across
  1. 6. ≈
  2. 7. less than or greater than
  3. 10. ()
  4. 11. add
  5. 13. less than or equal to
  6. 14. 1%
  7. 15. √A
  8. 17. ³√a
  9. 18. •
  10. 19. Divide
Down
  1. 1. *
  2. 2. PPT
  3. 3. Balanced
  4. 4. ±
  5. 5. ⁴√a
  6. 8. A^B
  7. 9. decrease
  8. 11. exponent
  9. 12. PPB
  10. 16. Multiply