Effectuer des additions en colonne. Calculer : $$ 5994 + 6314 $$
$$\begin{array}{rrrrrr} & {\small\color{red}{1}} & {\small\color{red}{1}} & {\small\color{red}{1}} & {\small\color{red}{}} & {\small\color{red}{}}\\ & & 5 & 9 & 9 & 4\\ + & & 6 & 3 & 1 & 4\\ \hline & 1 & 2 & 3 & 0 & 8\\ \end{array}$$
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