已知集合A={(x,y)|x+y=1},B={(x,y)|kx-y-2
已知集合A={y|y=x/|x|},B={x|1-kx=0}
已知集合A={(x,y)| (y-3)/ (x-1)=2,x,y∈R},B={(x,y)| 4x+ay=16,x,y∈
已知集合A={(x,y)|x^2+y^2=1},B={(x,y)|kx-y≤2},其中x,y属于R,若A属于B,则k的取
已知集合A ={y \y =2~x ,x
1.已知集合A={(x,y)|y=2x+1},B={(x,y)|y=x+3},a∈A,b∈B,求a
已知集合A={(x,y)|x≥1y≤1x-y≤2}
已知集合A={(x,y)|(y-2)/(x-1)=a+2,x,y∈R},B={(x,y)|(a²-4)x+(a
已知 集合A={(x,y)|x-y=3} 集合B={(x,y)|2x+y=9} 则集合a交b等于
设集合A={(x,y)|y^2=x+1}B={(x,y)|2y=4x^2+2x+5},C={(x,y)|y=kx+6}问
已知集合A={(x,y)|(y-3)/(x-2)=a+1}B={(x,y)|(a^2-1)x+(a-1)y=15},当a
已知集合A={(x,y)|y-1除以x+2=4} B={(x,y)||y=kx+b}A交B为空集,求k b
已知集合A={(x,y)|2^(x+y)=8},B={(x,y)|log4 (x-y)=1/2},则A∩B等于