问题
解答题
已知全集U=﹛1,2,3,4,5,6,7﹜,A=﹛2,4,5﹜,B=﹛1,3,5,7﹜, 求:(1)A∩(
(2)(
|
答案
(1)∵CUB={2,4,6 };A={2,4,5}
∴A∩(CUB)={2,4}
(2)∵CUA={1,3,6,7};
∴(CUA)∩(CUB)={6}.
已知全集U=﹛1,2,3,4,5,6,7﹜,A=﹛2,4,5﹜,B=﹛1,3,5,7﹜, 求:(1)A∩(
(2)(
|
(1)∵CUB={2,4,6 };A={2,4,5}
∴A∩(CUB)={2,4}
(2)∵CUA={1,3,6,7};
∴(CUA)∩(CUB)={6}.
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