设A={x丨x分之1＞0},U=R,则CuA=?

设A={x丨x分之1＞0},U=R,则CuA=? 设{x||4x-1|大于等于9,x属于R},B={x|x+3分之x大于等于0.x属于R},则A交B等于A (-3.-2] B (-3,-2]U[0,2分之5] c(负无穷,-3][2分之久,正无穷) d(负无穷)U[2分之久,正无穷) 设U=R,{x丨x 设全集U=R,A={x|1/x 设全集U=R,A={x|x+1≥0},B={x|x 设全集U=R,A={x|x-1≥0},B={x|1- 设U=R,A={x|x>=1},B{x|0 设全集U=R,集合A={x|（x+1)^-(a-1)^>0,a 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u=R,A={x|-1 设全集U=R,集合A={x/1 设U=R,A={x|3m-1 设全集U=R,A={x|-1 设全集U=R,集合A=(x|-1