(1)设集合A={x丨-1≤x≤2},B={x丨x≤k+3},若A交B=空集,求k的取值范围(2)设集合A={x丨x≤-2或x≥5},B={x丨2m-1≤x≤m+1},若A并B=A,求m的取值范围
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![(1)设集合A={x丨-1≤x≤2},B={x丨x≤k+3},若A交B=空集,求k的取值范围(2)设集合A={x丨x≤-2或x≥5},B={x丨2m-1≤x≤m+1},若A并B=A,求m的取值范围](/uploads/image/z/8885886-6-6.jpg?t=%EF%BC%881%EF%BC%89%E8%AE%BE%E9%9B%86%E5%90%88A%3D%7Bx%E4%B8%A8-1%E2%89%A4x%E2%89%A42%7D%2CB%3D%EF%BD%9Bx%E4%B8%A8x%E2%89%A4k%2B3%EF%BD%9D%2C%E8%8B%A5A%E4%BA%A4B%3D%E7%A9%BA%E9%9B%86%2C%E6%B1%82k%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%EF%BC%882%EF%BC%89%E8%AE%BE%E9%9B%86%E5%90%88A%3D%EF%BD%9Bx%E4%B8%A8x%E2%89%A4-2%E6%88%96x%E2%89%A55%7D%2CB%3D%7Bx%E4%B8%A82m-1%E2%89%A4x%E2%89%A4m%2B1%EF%BD%9D%2C%E8%8B%A5A%E5%B9%B6B%3DA%2C%E6%B1%82m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
(1)设集合A={x丨-1≤x≤2},B={x丨x≤k+3},若A交B=空集,求k的取值范围(2)设集合A={x丨x≤-2或x≥5},B={x丨2m-1≤x≤m+1},若A并B=A,求m的取值范围
(1)设集合A={x丨-1≤x≤2},B={x丨x≤k+3},若A交B=空集,求k的取值范围
(2)设集合A={x丨x≤-2或x≥5},B={x丨2m-1≤x≤m+1},若A并B=A,求m的取值范围
(1)设集合A={x丨-1≤x≤2},B={x丨x≤k+3},若A交B=空集,求k的取值范围(2)设集合A={x丨x≤-2或x≥5},B={x丨2m-1≤x≤m+1},若A并B=A,求m的取值范围
(1)交集为空,则k+3=3
m+1