设全集U=R,M={mx^2-x-1=0有实数根},N={n|方程x^2-x+n=0有实数根},求(CuM)∩N
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设全集U=R,M={mx^2-x-1=0有实数根},N={n|方程x^2-x+n=0有实数根},求(CuM)∩N
设全集U=R,M={mx^2-x-1=0有实数根},N={n|方程x^2-x+n=0有实数根},求(CuM)∩N
设全集U=R,M={mx^2-x-1=0有实数根},N={n|方程x^2-x+n=0有实数根},求(CuM)∩N
M={m|m>=-1/4}
N={n|n
大于等于-1/4,小于1/4
设全集U=R,集合M={x/x^2>9},N={-1
设全集U=R,M={x|-3
设全集U=R,M={x|3a
设全集U=R,集合M={m|方程mx^2-x-1=0有实数根},N={方程x^2-x+n=0有实数根},求(CuM)∩N.
设全集U=R.M={m|方程mx^2-x-1=0有实数根},N=|n|方程x^2-x+n=0有实数根},球(CuM)nN
设全集U=R,则M={m|方程mx^2-x-1=0有实数根},N={n|方程x^2-x+n=0有实数根},求(CuM)属于N
设全集U=R,M={mx^2-x-1=0有实数根},N={n|方程x^2-x+n=0有实数根},求(CuM)∩N
设全集U=R,A={x|1/x
设全集U是实数集R,M={x|x^2>4},N={x|log2(x-1)
设全集U=R,M={m|方程mx的平方-x-1=0有实数根},N={n|方程x的平方-x+m=0有实数根}.求(CuM)∩N
设全集U=R,集合A={x|0
设全集U=R,集合A={x|0
设全集U=R,A={x|0
设全集U=R,集合A={X|-1
设全集U=R,集合A={x|-1
设全集U=R,集合A={x/1
设全集U=R,A={x|-1
设全集U=R,集合A=(x|-1