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one, two, six, mod alphametics (Posted on 2008-11-30) Difficulty: 3 of 5
Substitute each of the small letters in bold with a different decimal digit from 0 to 9, to satisfy the following system of simultaneous modular alphametic equations:

one ≡ 1 (mod two), and:
one ≡ 1 (mod six), and:
six ≡ 0 (mod two)

where, none of s, o and t is zero.

Note: Try to derive a non computer-assisted solution, although computer program/spreadsheet solutions are welcome.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
Solutioncomputer solutionCharlie2008-11-30 21:44:26
SolutionsolutionDej Mar2008-11-30 17:49:52
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