27. Efetue as adiçōes. a) 375 + 249 624 b) 461 + 758 18 c) 836 d) 3829 + 594 6454 + 656 e) 5720 f) 32769 3096 1630 +1585 + 387

Vamos corrigir e resolver as adições apresentadas:<br /><br />a) \( \begin{array}{r}375 \\ +\quad 249 \\ \hline 624\end{array} \)<br /><br />b) \( \begin{array}{r}461 \\ +\quad 758 \\ \hline 1219\end{array} \)<br /><br />c) 836<br /><br />d) \( \begin{array}{r}3829 \\ 6454 \\ +\quad 656 \\ \hline 8939\end{array} \)<br /><br />e) 5720<br /><br />f) 32769<br /><br />\( \begin{array}{r}3096 \\ +\quad 1585 \\ \hline 4671\end{array} \)<br /><br />1630<br /><br />\( +\quad 387 \)<br /><br />Portanto, as respostas corretas são:<br /><br />a) 624<br />b) 1219<br />c) 836<br />d) 8939<br />e) 5720<br />f) 32769<br />\( \begin{array}{r}3096 \\ +\quad 1585 \\ \hline 4671\end{array} \)<br />1630<br />\( +\quad 387 \)