Questão 1424550

\(\overline{\left(A.B\right)+C}\)

\(\overline{\left(\overline{A\ }.B\right)+C}\)

\(\overline{\left(A.\ \overline{B}\right)+C}\)

\(\overline{\left(A.B\right)\ +\ \overline{C}}\)

\(\overline{\left(A\ +B\right)\ +\ C}\)