设全集U={x|1≤x<9,x∈N},则满足{1,3,5,7,8}∩CuB={1,3.5,7}的所有集合B的个数
设全集U={x|1≤x<9,x∈N},则满足{1,3,5,7,8}∩CuB={1,3.5,7}的所有集合B的个数
设全集U={x∈N+ 丨x≤8}若A∩(CuB)={1.8},( CuA)U(CuB)={4,7}求集合A,B.
设全集U=﹛x∈N|1≤x≤9﹜,A=﹛1,3,5,7,8﹜则满足A∩B=﹛1,3,5,7﹜的所有集合B是个数是
已知全集u=a∪b={x∈n|0≤x≤10},a∩(cub)={1,3,5,7},试求集合b
设全集I={x|1≤x<9,x属于N},求满足{1,3,5,7,8}与B的补集的集合为{1,3,5,7}的所有集合B的个
已知全集U={x | x≤9,x∈N+},两个集合A与B同时满足:A∩B={2,4},A∩(CUB)={1,3,5},且
设全集I={x|1≤x<9,x属于N},求满足{1,3,5,7,8}与B的补集的交集为{1,3,5,7}的所有集合B的个
已知全集u=AuB={x属于N丨0≤x≤10},A∩(CuB)={1,3,5,7},试求集合B
已知全集U=A∪B={x∈N|0≤10},A∩(CuB)={1,3,5,7},试求集合
已知集合A={1,3,X},B={1,X的平方},设全集为U,若BU(cuB)=A,求cuB.
已知全集U=A∪B={x∈N/0≤x≤10},A∩(CUB)={1,7},试求集合B
1.设全集U=A∪B={x∈N+|lg x<10},若A∩CuB={m|m=2n+1,n=1,2,3,4,0},则集合B