Basic Math Symbols

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Across
  1. 3. This symbol is calculate expression inside first
  2. 6. This symbol means division
  3. 9. This sign is a decimal point, decimal separator
  4. 10. This symbol means greater than
  5. 11. This symbol means inequality
  6. 12. This symbol means multiplication
  7. 14. What is this symbol ÷
  8. 15. What is this symbol -
  9. 18. This symbol means equality
  10. 19. What is this symbol %
  11. 20. 3√a ⋅ 3√a ⋅ 3√a = a
Down
  1. 1. This symbol name exponent
  2. 2. This sign is a definition of subtraction
  3. 4. What is this symbol +
  4. 5. This symbol means approximation
  5. 7. This sign is a definition of addition
  6. 8. What is this symbol ×
  7. 13. Both minus and plus operation
  8. 16. √a ⋅ √a = a
  9. 17. Greater than or equal to