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Alphametic Puzzle #4230 by tsr21
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uvo



Joined: 27/07/2016 07:49:22
Messages: 12
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Number: Puzzle #4230
Genre: Alphametic
Author: tsr21
Appeared at: December 20, 2013

There is an interesting uniqueness argument here: Unless I=0, there is a second solution by switching F and I. Only a leading zero can prevent an alternative solution.
Johan


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Joined: 22/12/2006 20:08:51
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Nice observation.
HappyDog



Joined: 11/11/2015 18:26:16
Messages: 165
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There doesn't seem to be an operator - I assume it's an addition?
 
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