Basic Math Symbols

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Across
  1. 3. example:6÷2=3
  2. 5. *
  3. 9. approximately equal
  4. 16. both minus and plus operations
  5. 17. ex:2*3=6
  6. 18. 4<5
Down
  1. 1. greater than or equal to
  2. 2. -
  3. 4. 5>4
  4. 6. slash /
  5. 7. x
  6. 8. not equal sign
  7. 10. +
  8. 11. less than or equal to
  9. 12. ex.2^3=8
  10. 13. .
  11. 14. sign =
  12. 15. both plus and minus operation