已知集合A={2 4 6 8 10},CuA={1 3 5 7 9}CuB={1 4 6 8 9}求集合B
已知全集U,集合A={1,3,5,7,9},CUA={2,4,6,8},CUB={1,4,6,8,9},求集合B.
已知全集U,集合A={1,3,5,7,9},CuA={4,6},CuB={1,4,7},求集合B
已知全集U,集合A={1,3,5,7},CuA={2,4,6},CuB={1,4.6},求集合B
已知全集U,集合A={1,3,7,9,9}CuA={4,6},CuB={1,4,7},求集合B,A∩B,A∪B=多少
设全集U={1,2,3,4,5,6,7,8,9},集合A∩B={2},CuA∩CuB={1,9},CuA∩B={4,6,
设U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8},求CuA,CuB,(CuA)∩(CuB
已知U={1,2,3,4,5,6,7,8} A∩B={2})B∩ (CuA)={1,9} (CuA)∩(CuB)={4,
设U={1,2,3,4,5,6,7,8},A={2,4,6},B={3,4,5},求A集合B,A∪B,CuA,CuB
已知全集U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8}.求CuA,CuB,Cu∩CuB,
1.设U=R集合A={X/X<-1}集合B={X/-2≤X<3}求CuA∪CuB CuA∩CuB
集合U=1,2,3,4,5,6,B=1,4A=2,3,5,求Cu(AYB)与(CuA)I(CuB)
设全集U是由不超过9的正整数组成的集合,集合A,B是其两个子集,且满足A∩B={2},CUA∩CUB={4,6,8},求