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प्रश्न
Replace each * by the correct digit in the following:
\[\begin{array}{r}
&\texttt{1 0 0 0 0 0 0}\\
-&\texttt{* * * * 1}\\
\hline
&\texttt{* 7 0 4 2 *}\\
\hline
\end{array}\]
उत्तर
\[\begin{array}{r}
&\texttt{1 0 0 0 0 0 0}\\
-&\texttt{2 9 5 7 1}\\
\hline
&\texttt{9 7 0 4 2 9}\\
\hline
\end{array}\]
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