Basic Math Symbols

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Across
  1. 4. Summation
  2. 7. Equality
  3. 10. Root of number
  4. 13. Product sequence
  5. 16. Grouping
  6. 17. Power of number
  7. 18. Per hundred
Down
  1. 1. Subtraction
  2. 2. Circle ratio
  3. 3. Addition
  4. 5. Distance from zero
  5. 6. Change/Difference
  6. 8. Multiply
  7. 9. Larger than
  8. 11. Endless value
  9. 12. Divide
  10. 14. Smaller than
  11. 15. equal to Unequal