已知集合A=(x,y))∣x^2+mx-y+2=0,B=(x,y))∣x-y+1=0,0
已知集合A={(x,y)|x*x+mx-y+2=0},B={(x,y)|x-y+1=o,0
已知集合A={(x,y)|x^2+mx+2=y},B={(x,y)|x-y+1=0,0
集合A={(x,y)|x^2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0
已知集合A={(x,y) | x^2+mx-y+2=0} ,B={(x,y) | x-y .,求实数m的取值笵围.
高二数学题难死了集合A={(x,y)丨y=-x^2+mx-1},B={(x,y)丨y=3-x,0
设集合A={x|x^2+mx+1=0,x∈R},B=y|y
已知集合A={(x,y)/x的平方+mx-y+2=0}和B={(x,y)/x-y+1=0,0≤x≤2},如果A∩B≠空集
已知集合A={(X,Y)|X平方+MX-Y-2=0},B={(X,Y)|X-Y+1=0,X大于0}如果A并B不等于空集,
已知集合A={(x,y)|y=-x^2+mx-1},B={(x,y)|x+y=3,0≤x≤3}.且A∩B是单元素集,求实
集合A={(x,y)|x^2+mx-y+2=0},集合{(x,y)|x-y+1=0,且0
已知集合A={(x,y)|y=x+m},B={(x,y)|y=-x^2+2x+1,0
已知集合A=[(x,y)x^2+mx-y+2=0},B={(x,y)│x-y+1=0},如果A交B含有两个元素,求实数m