设全集U=R,M={x|x方-2x-3<等于0},N={1-x<0}求M交N,M并N,CuM
设全集U=R,M={x|x方-2x-3<等于0},N={1-x<0}求M交N,M并N,CuM
已知全集U=R,集合M={x丨x≤3},N={x丨x<1},求m交n,(cum)并N,(cum)交(cun)
设全集U=R,(1)M={x||2x+1|>1},N={x|3+x/(1-x)大于等于0},求M∪N
1.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},求(CuM)∩
设全集U=R,集合M={X|X>0},N={x|X^2≥X},则正确的是 A.M并N包含于M B.M交N属于M
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)
设全集U=R,M={m/方程mx2-x-1=0有实数根},N={n/方程x2-x+n=0有实数根}求(CuM)nN.
设全集U=R,集合M={x/x≥2},N={y/y>0},则CuM与CuN的包含关系是
设全集U=R,M={m|方程mx2-x-1=0有实数根},N={n|方程x2-x+n=0有实数根},则(CUM)∩N=_
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+n=0有实数根},求(CuM)
设全面集U=R,M={m|mx~2-x-1=0有实数根},N={n|x~2-x n有实数根},求集合(CuM)与集合N的
已知集合U=R,M={x|x-5<0},N ={x|x+1/x-1<0},求CuM交集CuN