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METHOD
\(\begin{array} {rr} \small{\color{green}{1}}\;\,\small{\color{green}{1}}\;\;\;\;\small{\color{green}{2}}\;\;\;\,\small{\color{green}{2}}\;\;\; \\\small{\color{red}{2}}\;\,\small{\color{red}{2}}\;\;\;\;\small{\color{red}{4}}\;\;\;\,\small{\color{red}{4}}\;\;\; \\\space\space\text{RM }\space2\,\space4\space5\space0\space.\space9\space9 \\\times\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\space3\space5 \\\hline \small{\color{red}{1}}\,\,\small{\color{red}{1}}\;\;\;\;\;\;\;\; \\\space1\space2\,\space2\space5\space4\space\space\,\space9\space5 \\\space+\;\;\;\,\space7\space3\,\space5\space2\space9\;\;\,\space7\;\;\, \\\hline\text{RM }\;\space8\space5\,\space7\space8\space4\space.\space6\space5 \\\hline \end{array}\)
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