已知x+y=2.xy=-4.求x^3y^2+x^2y^3

来源：学生作业帮助网编辑：作业帮时间：2024/11/08 06:18:07

已知x+y=2.xy=-4.求x^3y^2+x^2y^3
已知x+y=2.xy=-4.求x^3y^2+x^2y^3

已知x+y=2.xy=-4.求x^3y^2+x^2y^3
原式=x²y²(x+y)
=(xy)²(x+y)
=(-4)²*2
=32

x^3y^2+x^2y^3
=x²y²(x+y)
=4²×2
=16×2
=32

阿打算的撒的撒

.已知:x-y=1,xy=-2.求:(-2xy+2 x+3y)-(3xy+2y-2x)-(x+4y+xy)的值已知x+y=2.xy=-4.求x^3y^2+x^2y^3 已知2x+3y=0,求代数式1.5x+4y/3x-2y 2.x²+xy-y²/x²-xy+y² 已知x+y=4.x-y=6.求代数式xy(y²+y)-y²(xy+2x)-3xy的值已知xy/x+y=3,求代数式3x-5xy+3y/-x+3xy-y的值.已知xy/x+y=3,求代数式3x-5xy+3y/-x+3xy-y的值. 已知X+Y=3XY,求2X+2Y-XY除以X+Y+2XY的值,要算理.已知X+Y=3XY,求2X+2Y-XY除以X+Y+2XY的值,要算理. 已知:x/y=-2,求x^2-2xy-3y^2/x^-6xy 已知,xy/x+y=3,求代数式3x-5xy+3y/-x+3xy-y的值已知,xy/x+y=3,求代数式3x-5xy+3y/-x+3xy-y的值已知xy/x+y=2,求代数式3x-xy+3y/-x+3xy-y的值已知xy/x+y=6,求3x-2xy+3y/-x+3xy-y的值. 已知(xy)/(x+y)=6求(3x-2xy+3y)/(-x+3xy-y)的值. 已知xy/x+y=3,求2x-3xy+2y/-x+3xy-y的值已知xy/x+y=3,求2x-3xy+2y/-x+3xy-y的值已知x-y=3xy,求分式3x+2xy-3y/x-2xy-y的值已知X+Y分之XY=2,求-X+3XY-Y分之3X+5XY+3Y 已知y=3xy+x,求代数式2x+3xy-2y/x-2xy-y的值已知xy/x+y=3,求代数式2x-5xy+2y/x-3xy+y