题目
2.3.1 用代数法将下列各式化简成最简的与-或表达式:-|||-(1) overline (AB+overline {A)B}+overline (A)B+Aoverline (B)-|||-(2) (A+B)+(A+B)+(AB)(A B)-|||-(3) overline (B)+ABC+overline (AC)+overline (AB)-|||-(4) overline (ABC)+Aoverline (B)C+ABC+A+Boverline (C)-|||-__-|||-(5) overline (D)+ABD+BCoverline (D)+ABCD+Boverline (C)-|||-(6) AC+ABC+BC+ABC

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