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Ones only (Posted on 2021-07-12) Difficulty: 3 of 5
What is the minimal number of “ones” needed to express the following 6 numbers:

6, 9, 18, 45, 60, 265.

You may use only the following symbols, each symbol up to three times and any quantity of brackets .

+ - / * ^ !
$ Sum of digits.
. Decimal point
Sqrt Square root.
and concatenation
(of numbers only)

Sum up the total of ones and publish your answer.
Examples:
37=111/(1+1+1). Scores 6
48=((1+1+1)!)!! Scores 3

List your 6 formulas.

NB: The order of candidate numbers is not by the level of difficulty

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( Back to comment list | You must be logged in to post comments.)
Hints/Tips re(2): My candidate solution - may be imprived | Comment 5 of 8 |
(In reply to re: My candidate solution - may be imprived by Jer)

1+8+5+4.    Forever 18

Corrected what’s needed
 I  have suspected that something might be wrong, since my numbers were from my memory,
 I believe that 23 is still the current minimum and it might be improved.
Anyway thanks for your input.Recheck, anyone.

  Posted by Ady TZIDON on 2021-07-15 21:47:37
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