问题描述: A={x|x≤-3或X>0}B={X|-4<X≤1}U=R 求AnB (CuA)UB An(CuB)(CuA)U(CuB) Cu(AUB) 1个回答 分类:数学 2014-11-06 问题解答: 我来补答 AnB=(-4,-3]U(0,1](CuA) UB=(-4,1]An(CuB)=(-无穷,-3]U(0,+无穷)(CuA)U(CuB) =Cu(AnB)=(-无穷,-4]U(-3,0]U(1,+无穷)Cu(AUB)=∅ 展开全文阅读