The Contest Center - Cryptarithms / Alphametics

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only in this directory Mathematical Games and Problems Chaos and Fractals@ (189) Combinatorics@ (175) Game Theory@ (97) Alphametics and Cryptarithms (5) Competitions (29) Cryptarithms and Alphametics (4) Exercises (9) Famous Problems (37) Flexagons (2) Magic Squares@ (11) Nim@ (5) Online (3) Polyominoes (14) Problem of the Week (3) Tessellations (31)	The Contest Center - Cryptarithms / Alphametics These popular puzzles are called cryptarithms, alphametics, or cryptic arithmetic. Your job is to replace the letters by numbers so the sums work out correctly.