Questão 3136770

\(\overline{A}\ \overline{B}\ \cdot\ \overline{A}\ \overline{C}\ \cdot\ \overline{D}\ \overline{E}\ \cdot\ \overline{D}\ \overline{F}\) .

\(\left(A+BC\right)+\left(D+EF\right).\)

\(\overline{A}\ \overline{B}\ +\ \overline{A}\ \overline{C}\ +\ \overline{D}\ \overline{E}\ +\ \overline{D}\ \overline{F}\) .

\(\overline{(A+BC)}\ \cdot\ \overline{(D+EF)}\ .\)

\(AB+AC+DE+DF.\)