A=｛y|y=-4x+6｝,B=｛x|y=5x-3｝,求A∩B.

如果A={（x,y）|x,y+2>0},B={（x,y）|2x+3y-6>0},C={（x,y）|x-4 几道 数学题急啊 对了再加20分(x+y)^2-(x+y)^3(x-y)^2-(x-y)^3 (x-y)^2-(y-x)^32(x-y)-3(y-x)^24ab(a+b)^2-6a^2b(a+b)(x+y)(x-y)-(x+y)^28a(x-y)^2-4b(y-x)a=-5 a+b+c=-5.2求代数式a^2(-b-c)-3.2a(c+b)的值 A={y|y=x2-4x+6,y属于N},B={y|y=-x2-2x+18,y属于N},求A交B. A=｛y|y=-4x+6｝,B=｛x|y=5x-3｝,求A∩B. 设A={(x,y)}|3x+2y|.设A={(x,y)}|3x+2y|.B={(x,y)|x-y=2|},C={(x,y)|2x-2y|=3},D={(x,y)|6x+4y=2|},求A∩B,B∩C,A∩D设A={(x,y)|3x+2y=1}.B={(x,y)|x-y=2},C={(x,y)|2x-2y=3},D={(x,y)|6x+4y=2},求A∩B，B∩C，A∩D 4a(x-y)二次方-2b(y-x)二次方+(y-x)= 若集合A={(x,y)|y>=|x-2|} ,B={(x,y)|y A={（x,y)|y>=0.5|x-2|},B={(x,y)|y 1、(-y^3)^5/y^3/ y^2+2(-y)^102、(x-y)^7/(y-x)^6+(x+y)^3/(x+y)^23、已知X^a=5,x^b=3,求X^(3a-2b)的值 初一因式分解练习题,谁好心帮我解下表示平方1.2X~-3XY-X2.(X+Y)~(X+Y)(X-Y)(X+Y)(Y+Z)3.3X(a+2b)~-6XY(a+2b)4.a(x-y)-b(X-Y)-C(Y-X)5.(b-a)~-2a+2b6.(x-y)~-m(y-x)+y-x7.x(x-y)(a-b)-y(y-x)(b-a)8.已知a+b=13,ab=40,求 b+ab~的值 A={(x,y)|3x+2y+1},B={(x,y)|6x+4y=2},求A∩B第一个集合A改为{(x,y)|3x+2y=1} 集合A={（x,y）|y=-4x+6},B={（x,y）|y=5x-6},则A交B= 若集合A={(x,y)|4x+y=6},B={(x,y)|3x+2y=7},则集合A∩B= A={(x,y)|4x-y=6},B={(x,y)|3x=2y=7},A∩B 1.设A={(x,y)/4x+y=6} B={(x,y)/3x+2y=7} 则A∩B等于多少 已知集合A={(x,y)|2x+3y=6},B={(x,y)|x-2y=-4},求A∩B, 一道数学基础题设A=(x,y) | y=-4x+6,B=(x,y) | y=5x-3 ,求A交B 设A={(X,Y)|Y=-4X+6},B={(X,Y)|Y=5X-3}求A交B