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)}overline (B)+overline (A)B+Aoverline (B)-|||-__-|||-(2) (overline (A)+B)+(overline (A+B))+(overline (A)B)(overline (Aoverline {B)})-|||-(3) overline (B)+ABC+overline (AC)+overline (AB)-|||-(4) ABC+ABC+ABC+A+BC-|||-__-|||-(5) overline (D)+ABD+BCoverline (D)+ABCD+Boverline (C)-|||-(6) overline (AC+overline {A)BC}+overline (B)C+ABoverline (C)

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