A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0

A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0 集合A={（x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0 因式分解 1：（x+y)(x+y)-(x+y)^2=?2：(x+y))^2+mx+my=?3：a(x-a)(x+y)^2-b(x-a)^2(x+y)=? 设集合A={(x,y)|y=x^2+mx+2},B={(x,y)|x-y+1=0,x 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*x+mx-y+2=0},B={(x,y)|x-y+1=o,0 已知集合A={(x,y)|y=-x2+mx-1},B={(x,y)|x+y=3,0 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 集合A={(x,y)|x^2+mx-y+2=0} B={(x,y)|x-y+1=0,0 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^2+mx-y+2=0,B=(x,y))∣x-y+1=0,0 已知集合A={(x,y)|x^2+mx-y+2=0},B={(x,y)|x-y+1=0,0 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 已知集合A={（X,Y）|Y=-X^2+mx-1},B={(x,y)|x+y=3,0 已知集合A={（X,Y）|Y=-X^2+mx-1},B={(x,y)|x+y=3,0 二次函数根的分不已知集合A={(x,y)/y=-x^2+mx-1},B={(x,y)/x+y=3,0 全题是：集合A={(x,y)丨y=-x^2+mx-1},B={(x,y)丨y=3-x,0