When I first published my solution to the last puzzle, I was led to attempt the expression of all numbers in turn up to $100$ by a mixed fraction containing all the nine digits. Here are twelve numbers for the reader to try his hand at: $13,$ $14,$ $15,$ $16,$ $18,$ $20,$ $27,$ $36,$ $40,$ $69,$ $72,$ $94.$ Use every one of the nine digits once, and only once, in every case.
Solutions: 1
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