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|-3 设全集U=R,M={x|3a 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是实数集R,M={x|x2},N={x|x^2-4x+3 设全集U=R,集合A={X|X方-X-6 设全集U=R,集合M={x/x^2>9},N={-1 设全集U=R,M={x丨3a1或x 设全集U=R,集合A={X|-3 设全集U=R,集合A={X|-3 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U是实数集R,M={x|x^2>4},N={x|log2(x-1) 设全集U=R,集合A=x|x 设全集U=R,集合A={X|X 设全集U=R,集合A={X//X/ 设全集U=R,A={x|1/x