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| My favorite numbers (Posted on 2005-07-22) |
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Find 4 different positive integers A,B,C,D for which:
A+B = C*D and
A*B = C+D
How many sets of 4 numbers can you find? Prove that only those sets exist.
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No Solution Yet
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Submitted by Jurgen
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Rating: 3.5000 (6 votes)
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answer
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 | Comment 8 of 13 | 
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