集合A={1,2,3,4,5,6},B={3,4,5,X},若B⊆A,则X可以取的值为()A.1,2,3,4,5,6B.1,2,3,4,6C.1,2,3,6D.1,2,6-数学

题目简介

集合A={1,2,3,4,5,6},B={3,4,5,X},若B⊆A,则X可以取的值为()A.1,2,3,4,5,6B.1,2,3,4,6C.1,2,3,6D.1,2,6-数学

题目详情

集合A={1,2,3,4,5,6},B={3,4,5,X},若B⊆A,则X可以取的值为(  )
A.1,2,3,4,5,6B.1,2,3,4,6
C.1,2,3,6D.1,2,6
题型:单选题难度:中档来源:不详

答案

∵集合A={1,2,3,4,5,6},B={3,4,5,X}且B⊆A
∴X=1,2,6
故选D

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