problem of four n’s

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problem of four n’s

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number game
Digital problems
The problem of the four n’s calls for the expression of as large a sequence of integers as possible, beginning with 1, representing each integer in turn by a given digit used exactly four times. The answer depends upon the rules of operation that are admitted.…
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The problem of the four n’s calls for the expression of as large a sequence of integers as possible, beginning with 1, representing each integer in turn by a given digit used exactly four times. The answer depends upon the rules of operation that are admitted.…
Read More