问题 解答题

设A={x∈Z||x|<6},B={-2,3,4},C={3,4,5},

求:(1)A∩(B∪C);

(2)A∩CA(B∪C).

答案

解:由题意可得A={-5,-4,-3,-2,-1,0,1,2,3,4,5},

(1)B∪C={-2,3,4,5},A∩(B∪C)={-2,3,4,5};

(2) CA(B∪C)={-5,-4,-3,-2,0,1,2},

A∩CA(B∪C)={-5,-4,-3,-1,0,1,2}。

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