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Cryptograms are puzzles where some (or all) digits are missing from an arithmetic operation. Tinker with different combinations of numbers and letters to unlock the right answer. See more
\[ \begin{array}{ccccc} & & & & 1&3 \\ + & & & & \bigtriangledown &7\\ \hline & & & 1 & 0 &0 \end{array} \]
Find the value of \(\bigtriangledown\) satisfying the cryptogram above.
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\[ \begin{array}{ccccc} & & & & \spadesuit&2 \\ & & & & \spadesuit&\spadesuit\\ + & & & & 1 &\spadesuit\\ \hline & & & & 7 &8 \end{array} \]
Find the value that represents the symbol \( \spadesuit\).
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\[ \begin{array}{ccccc} & & & & 9 &P \\ - & & & & P & Q \\ \hline & & & & Q & 6 \end{array} \]
Find the value of 2-digit integer \( \overline{PQ} \).
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\[ \begin{array}{ccccc} & & & & \color{red} A & B \\ + & & & & \color{red} C & D \\ \hline & & & & \color{red} E & F \end{array} \]
The cryptogram above shows the sum of two 2-digit integers producing another 2-digit integer. In the leftmost column highlighted in red, which of the following cannot be true?
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\[ \begin{array}{ccccc} & & & & 9 &5 \\ - & & & & 1 &\blacktriangle \\ \hline & & & & \blacktriangle & 8 \end{array} \]
Find the value that represents the symbol \(\blacktriangle\).
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