Basic Math Symbols

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