Use the numbers 1, 9, 9, 8 to make expressions that equal numbers 1-31

Use the numbers 1, 9, 9, 8 to make expressions that equal numbers 1-31
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1 Answer

  1. 1⁹(9-8)
  2. 19-9-8
  3. 1+√9-9+8
  4. √9+9-8×1
  5. 1+9+√9-8
  6. 8-(9/9)-1
  7. 9+8-9-1
  8. 1×9x8/9
  9. 1-9+9+8
  10. 1+(9/9)+8
  11. 1+9+9-8
  12. (9+√9)×1⁸
  13. 1⁸+9+√9
  14. (√9)!+8×1⁹
  15. 9+√9+√(1+8)
  16. (8-1⁹)+9
  17. 9+9-1⁸
  18. 99-81
  19. 9+9+1⁸
  20. 19+9-8
  21. 1+9+√9+8
  22. ROUND((9+8-9-1)π)
  23. 8×9/√9-1
  24. 1×9×8/√9
  25. 9-1+8+9
  26. 1×9+9+8
  27. 1+9+9+8
  28. 9√9+1⁸
  29. ∑(√9+√9)+1×8
  30. ∑(√9+√9)+1+8
  31. ROUND((8-1⁹)π)+9

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