设全集U=Z A={x丨x=2n,n∈Z} B={x丨x=3m,m∈Z} 则集合An(CuB)=
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设全集U=Z A={x丨x=2n,n∈Z} B={x丨x=3m,m∈Z} 则集合An(CuB)=
设全集U=Z A={x丨x=2n,n∈Z} B={x丨x=3m,m∈Z} 则集合A n(CuB)=
设全集U=Z A={x丨x=2n,n∈Z} B={x丨x=3m,m∈Z} 则集合A n(CuB)=
CuB = U-B
= Z- {x丨x=3m,m∈Z}
A∩(CuB)
={x丨x=2n,n∈Z} ∩ [ Z- {x丨x=3m,m∈Z} ]
= [{x丨x=2n,n∈Z} ∩ Z ]- [{x丨x=2n,n∈Z} ∩ {x丨x=3m,m∈Z}]
= {x丨x=2n,n∈Z} - {x丨x=6n,n∈Z}
= { x| x=2n,n,m∈Z and n不等于3m }
= Z- {x丨x=3m,m∈Z}
A∩(CuB)
={x丨x=2n,n∈Z} ∩ [ Z- {x丨x=3m,m∈Z} ]
= [{x丨x=2n,n∈Z} ∩ Z ]- [{x丨x=2n,n∈Z} ∩ {x丨x=3m,m∈Z}]
= {x丨x=2n,n∈Z} - {x丨x=6n,n∈Z}
= { x| x=2n,n,m∈Z and n不等于3m }
设全集U=Z A={x丨x=2n,n∈Z} B={x丨x=3m,m∈Z} 则集合An(CuB)=
有关集合的.设全集U=Z,A={X|X=2n,n∈Z},B={X|X=3m,m∈Z},则集合A∩(CuB)=______
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