问题 解答题

设集合U={x∈N|0<x≤8},S={1,2,4,5},T={3,5,7},求:S∩(∁UT)

答案

解析:集合U={x∈N|0<x≤8}={1,2,3,4,5,6,7,8},∁UT={1,2,4,6,8},

∴S∩(∁UT)={1,2,4,5}∩{1,2,4,6,8}={1,2,4}.

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