用公式证明¬A¬C+¬A¬B+BC+¬A¬C¬D=¬A+BC

要有详细过程

A'C' + A'B' + BC + A'C'D'
=(A'C' + A'C'D )+ A'B' + BC
= A'C' + A'B' + BC
= A'(C' + B') + BC
= A'(BC)' + BC
= A'(BC)' + BC(1+A')
= A'(BC)' + BCA' + BC
= A' + BC
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