Recreational Mathematics

Cryptarithmetic

Cryptarithmetic involved encrypting a message (usually an arithmetic calculation) with alphabets and symbols. To be useful this encryption must give a unique solution.

(1)

(2)

(3)

(4) The letters a to h denote distinct digits such that a≠0, c=h+2

(5) Each of the 10 digits appear once and only once.

(6)

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Answers:

(1) 9567 + 1085 = 10652

(2) 850 + 850 + 29786 = 31486

(3) 12128316 / 124 = 97809

(4) 1287 + 9482 = 10769

(5) 764 + 289 = 1053

(6) 63 / 625 = 0.1008