Basic Math Symbol

Edit Answers
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Across
  1. 1. x
  2. 3. π
  3. 8. √
  4. 10. |x|
  5. 11. []
  6. 12. -
  7. 13. =
Down
  1. 2. +
  2. 4. a^b
  3. 5. <
  4. 6. >
  5. 7. :
  6. 9. %