设全集为R,A={x|-2

设全集为R,A={x|-2 设全集为R.A={x||x - 1 | 设全集为R 集合A={x|-5 设全集为R,A={x|-3 设全集为R,集合A=(X|-5 设全集为R,集合A={x|x等于6},B={x|-2 设全集为R,集合A=[1/2,3],B={x|x^2+a 设全集R,A=X 设全集R.A={X/3 设全集为R,A={X|X1},B={X|-2 设全集U=R,A={x|2 设全集U=R,集合A={x|-2 设全集U=R,A={x|-2 设全集U=R,A{x|2 设全集为R,A={x|x^2-5x -6>0},B={x| |x-5| 设全集为R,A={x|x^2-5x -6>0},B={x| |x-5| 设全集为R,A={x|x^2-5x-6>0},B={x||x-5| 设全集为R,A={x|x^2-5x-6>0},B={x||x-5|