A5log2的知识精选

设*A={5,log2(a+3)},*B={a,b}.若A∩B={2},则A∪B=         .
问题详情:设*A={5,log2(a+3)},*B={a,b}.若A∩B={2},则A∪B=         .【回答】{1,2,5}知识点:常用逻辑用语题型:填空题...
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