18 關於下列布林恆等式,何者錯誤?
(A)(x + y)(x + z)= x +(yz)
(B) x(y + z)= xy + xz
(C) x(x + y)= x
(D)(x + y)(x' + y)= y'
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統計: A(35), B(16), C(64), D(167), E(0) #2780259
統計: A(35), B(16), C(64), D(167), E(0) #2780259
詳解 (共 5 筆)
#5681664
x.(x+y)
=x.x+x.y (∵x.x=x)
=x+x.y
=x.(1+y) (∵1+y=1)
=x.1
=x
0
0