设集合A={x∈R|0≤x≤4},B={y|y=-x^2,-1≤x≤2},则CR(A∩B)=___________.我要认真、详细、完整的答题细节,谢谢.

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设集合A={x∈R|0≤x≤4},B={y|y=-x^2,-1≤x≤2},则CR(A∩B)=___________.我要认真、详细、完整的答题细节,谢谢.
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设集合A={x∈R|0≤x≤4},B={y|y=-x^2,-1≤x≤2},则CR(A∩B)=___________.我要认真、详细、完整的答题细节,谢谢.
设集合A={x∈R|0≤x≤4},B={y|y=-x^2,-1≤x≤2},则CR(A∩B)=___________.
我要认真、详细、完整的答题细节,谢谢.

设集合A={x∈R|0≤x≤4},B={y|y=-x^2,-1≤x≤2},则CR(A∩B)=___________.我要认真、详细、完整的答题细节,谢谢.
A={x∈R|0≤x≤4},B={y|y=-x²,-1≤x≤2}
A∩B={y|y=-x²,0≤x≤2}={y|-4≤y≤0}
CR(A∩B)={y∈R|y≤-4,y>=0}