F=AB+A'C+B'C=AB+(A'+B')C=AB+(AB)'C=AB+C
F=(A+B')(B+C')(C+D')(D+A')
=A(B+C')(C+D')(D+A')+B'(B+C')(C+D')(D+A')
=(AB+AC')(C+D')(D+A')+B'C'(C+D')(D+A')
=AB(C+D')(D+A')+B'C'(C+D')(D+A')
=ABC(D+A')+B'C'D'(D+A')
=ABCD+A'B'C'D
一级一级乘下来，总有AA'XX形式成为0项，所以越展开起简单
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024