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fill in the  digits .

fill in the digits .

Posers and Puzzles

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Fill in the digits 1 to 9 at the positions marked [] in the following , so as to satisfy the equation.

[]/[][] + []/[][] + []/[][] = 1.
No digit is to be repeated; each digit should be used but once.
For example a/bc would mean a/(10*b+c).

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Originally posted by observantU
Fill in the digits 1 to 9 at the positions marked [] in the following , so as to satisfy the equation.

[]/[][] + []/[][] + []/[][] = 1.
No digit is to be repeated; each digit should be used but once.
For example a/bc would mean a/(10*b+c).
After trying some 2300 different combinations, this is the answer I've come up with:

9/12 + 5/34 + 7/68 = 1

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Originally posted by The Plumber
After trying some 2300 different combinations, this is the answer I've come up with:

9/12 + 5/34 + 7/68 = 1
I think this is the only solution possible. .