来自屈颖的问题
设集合A={x|-2<=x<=5},B={x|m+1<=x<=2m-1},若AUB=A,求实数m的取值范围
设集合A={x|-2<=x<=5},B={x|m+1<=x<=2m-1},若AUB=A,求实数m的取值范围
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2020-11-03 21:05
设集合A={x|-2<=x<=5},B={x|m+1<=x<=2m-1},若AUB=A,求实数m的取值范围
设集合A={x|-2<=x<=5},B={x|m+1<=x<=2m-1},若AUB=A,求实数m的取值范围
若A∪B=A->m+1>=-2,2m-1m>=-3,m