Mathematical Fundamentals


\[ \Large \begin{array} { c c c } & 1 & \color{orange}{B} \\ + & \color{orange}{B} & 6 \\ \hline & 7 & 1 \\ \end{array} \]

Cryptograms are puzzles where capital letters stand in for the digits of a number. If the same letter is used twice, it’s the same digit in both places. And, in all of our puzzles, different letters represent different digits.

Solve enough cryptograms, and you’ll start to see patterns--tricks that will help you solve puzzles like these faster and more skillfully.



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