%@P:exocorcp %@Dif:3 Reproduis et complète le tableau suivant : \begin{center} \begin{tabular}{|c|c|c|c|} \hline $a$&$b$&$a\times b$&Troncature à l'unité de $a\times b$\\ \hline 1,2&1,2&&\\ \hline 4,5&1,3&&\\ \hline 1,5&4,2&&\\ \hline 2,7&2,4&&\\ \hline 3,1&6,9&&\\ \hline \end{tabular} \end{center} %@Correction: \begin{center} \begin{tabular}{|c|c|c|c|} \hline $a$&$b$&$a\times b$&Arrondi à l'unité de $a\times b$\\ \hline \opcopy{1.2}{a}\opprint{a}&\opcopy{1.2}{b}\opprint{b}&\opmul[style=text]{a}{b}\opmul*{a}{b}{c}&\opround{c}{0}{c}\opprint{c}\\ \hline \opcopy{4.5}{a}\opprint{a}&\opcopy{1.3}{b}\opprint{b}&\opmul[style=text]{a}{b}\opmul*{a}{b}{c}&\opround{c}{0}{c}\opprint{c}\\ \hline \opcopy{1.5}{a}\opprint{a}&\opcopy{4.2}{b}\opprint{b}&\opmul[style=text]{a}{b}\opmul*{a}{b}{c}&\opround{c}{0}{c}\opprint{c}\\ \hline \opcopy{2.7}{a}\opprint{a}&\opcopy{2.4}{b}\opprint{b}&\opmul[style=text]{a}{b}\opmul*{a}{b}{c}&\opround{c}{0}{c}\opprint{c}\\ \hline \opcopy{3.1}{a}\opprint{a}&\opcopy{6.9}{b}\opprint{b}&\opmul[style=text]{a}{b}\opmul*{a}{b}{c}&\opround{c}{0}{c}\opprint{c}\\ \hline \end{tabular} \end{center} \opcopy{1.2}{a}\opcopy{1.2}{b}\opmul{a}{b}\kern1cm \opcopy{4.5}{a}\opcopy{1.3}{b}\opmul{a}{b}\kern1cm \opcopy{1.5}{a}\opcopy{4.2}{b}\opmul{a}{b}\kern1cm \opcopy{2.7}{a}\opcopy{2.4}{b}\opmul{a}{b}\kern1cm \opcopy{3.1}{a}\opcopy{6.9}{b}\opmul{a}{b}