已知a={1,3,5,7},b={1,4,7},c={2,5,7,8}.anb={1,3,5,7,}n{11,44,7,
已知全集A={1,2,3,4,5,6,7,8,9},AnB={2},(CuA)n(CuB)={1,9},(CuA)nB=
设A={3,5,6,8},B={4,5,7,8},求AnB,AUB
设集合A={1,2,3,4,5}AnB={1,3,5,},AUB={1,2,3,4,5,6,7,}求B
已知集合A=(2,-1,x^-x+1),B=(2y,-4,x+4),C=(-1,-7),且AnB=C,求实数x,y的值.
已知:集合A={2,-1,X2-X+1},B={2Y,-4,X+4},且AnB={-1,7},求AuB
已知a={x| x平方减4x减12小于等于0 b等于1,2,3,4,5,6求anb aub
以至集合A=(1,3,4)B=(2,4,5)求ANB,AUB 这个题咋做啊谢谢了,
集合A={2,4,6,8,10} B={1,2,3,4,5,6}.则AnB=( ) ,AUB=( )
已知集合A={x丨3小于等于x〈7},B={x|2〈x〈10},求CR(AUB),CR(AnB),(CRA)nB,AU(
已知全集U={小于8且不小于6的整数 },A={2,3,4},B={-3,6,7},求AnB=,AUB=?CuAnB=?
已知A={x|x^2+px+q=0},B={x|x^2+(p-1)x-q+5=0},满足AnB={1}.求AUB
已知集合A={yly=x*2-4x+5},B={xly=根号3-2x},求AUB,AnB