已知全集为U=R,A={x|f(x)=lg^(x-2)+根号(5-x)},B={y|y=|x|+4}求(1)A交B,A并B;(2)A交CuB,CuB并CuA
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![已知全集为U=R,A={x|f(x)=lg^(x-2)+根号(5-x)},B={y|y=|x|+4}求(1)A交B,A并B;(2)A交CuB,CuB并CuA](/uploads/image/z/6084305-17-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%85%A8%E9%9B%86%E4%B8%BAU%3DR%2CA%3D%7Bx%7Cf%28x%29%3Dlg%5E%28x-2%29%2B%E6%A0%B9%E5%8F%B7%285-x%29%7D%2CB%3D%7By%7Cy%3D%7Cx%7C%2B4%7D%E6%B1%82%281%29A%E4%BA%A4B%2CA%E5%B9%B6B%EF%BC%9B%EF%BC%882%EF%BC%89A%E4%BA%A4CuB%2CCuB%E5%B9%B6CuA)
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