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Verbal arithmetic
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==References== {{Reflist}} {{More footnotes|date=July 2010}} * [[Martin Gardner]], ''Mathematics, Magic, and Mystery''. Dover (1956) * [[Journal of Recreational Mathematics]], had a regular alphametics column. * Jack van der Elsen, ''Alphametics''. Maastricht (1998) * Kahan S., Have some sums to solve: The complete alphametics book, Baywood Publishing, (1978) * Brooke M. One Hundred & Fifty Puzzles in Crypt-Arithmetic. New York: Dover, (1963) * Hitesh Tikamchand Jain, ABC of Cryptarithmetic/Alphametics. India(2017)
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