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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    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
thank for sharetonny ken2021-11-14 22:40:07
re: Some candidate answersMark2021-09-15 14:47:01
No Subjectlorriel2021-07-16 10:52:31
Hints/Tipsre(2): My candidate solution - may be imprivedAdy TZIDON2021-07-15 21:47:37
re: My candidate solution - may be imprivedJer2021-07-14 08:09:27
SolutionMy candidate solution - may be imprivedAdy TZIDON2021-07-13 23:53:41
Hints/Tipsre: Some candidate answersAdy TZIDON2021-07-13 23:33:14
Some candidate answersJer2021-07-13 16:26:15
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