3.写出下列函数的对偶式G及反函数F。-|||-(1) =overrightarrow (AB)+CD-|||-(2) F=A+B+C+D+E-|||-(3) =Aoverline (BC)+(overline (A)+BC)cdot (A+C)-|||-(4) =(A+B+C)overline (AB)C=0-|||-(5) =AB+overline (CD)+overline (BC)+overline (D)+overline (CE)+overline (D+E)