2 3 4 5 6 7 8 87.(1)(2分)
A B 1 1 0 1 0 1 1 0 0 0 1 1 0 1 0 0 0 1 0 0 0 a b c d e f 0 0 1 1 0 0 0 1 0 1 0 1 1 0 1 0 1 0 0 0 1 1 0 1 1 1 1 0 0 1 1 0
(2)(每个式子1分,共6分)
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a=AB+AB b=AB+AB=A c=AB+AB d=AB+AB= e=AB+AB=B--
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AB+AB=B
(3)(4分)
f=
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