Effectuer des soustractions en colonne. Calculer : $$ 2347 - 371 $$
$$\begin{array}{rrrrrr} & {\small\color{red}{1}} & {\small\color{red}{12}} & {\small\color{red}{14}} & {\small\color{red}{}}\\ & \color{gray}{2} & \color{gray}{3} & \color{gray}{4} & 7\\ - & & 3 & 7 & 1\\ \hline & 1 & 9 & 7 & 6\\ \end{array}$$
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