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

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)+over

用代数法将下列各式化简成最简的与-或表达式.(1) (A+B)+(A+B)+(AB)(overline(AB))(2) B+overline(ABC)+AC+A

用代数法将下列各式化简成最简的与-或表达式：(1) (A+B)+(A+B)+(AB)(overline(AB))(2) B+ABC+AC+AB(3) ABCD+

用代数法将下列各式化简成最简的与-或表达式: (A+B)+(A+B)+(AB)(AB)

二、化简下列各式-|||-1、 (Acup B)(overline (A)cup B)(Acup overline (B))

[题1.12]用图形法将下列函数化简成为最简与或式:-|||-(1) _(1)=overline (A)BCD+overline (A)BCD+overline

[题1.9]用公式法将下列函数化简成为最简与或式:-|||-(1) (overline (A)+B)+B(B+B)+B-|||-(2) (overrightar

8.15用卡诺图将下列逻辑函数化成最简与或式。-|||-(1) =ABC+ABD+overline (CD)+Aoverline (B)C+overline (

3-12 逻辑表达式 overline (A)+AB 可以化简为 __ 。-|||-

2.1.2 用逻辑代数定律证明下列等式:-|||-(1) +overline (A)B=A+B-|||-__-|||-(2) +Aoverline (B)C+A