Contoh soal cryptarithm no 1

Contoh soal cryptarithm

Soal 1: 

A

A

A

----- +

BA

Jawab :

Lihat BA, maka B = 1 (pasti)

BA > 9 sehingga BA = 10+A

A + A + A = BA

3A = 10 + A

2A + A = 10 + A

2A = 10

2A = 2(5)

A = 5

Jawaban: A = 5, B = 1.