青海省西宁市2021-2022学年高一上学期期中考试数学试题答案
一、选择题题号123456789101112答案CCBCCBCCBCDD二、填空题13.414.215.①②16.f(x)=x34三、解答题(解答题的解法不唯一,以下是参考解答)17.(10分)解:由题意知A={-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6}.(1)易知B∩C={3},故A∪(B∩C)={-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6}.(2)∵B∪C={1,2,3,4,5,6},∴∁A(B∪C)={-6,-5,-4,-3,-2,-1,0},∴A∩[∁A(B∪C)]={-6,-5,-4,-3,-2,-1,0}18(12分)(log23+log5...
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