已知y=x^2-3xy-2y^2/2y.求x:y的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 06:56:40
x){}K+m+t+*u**ml|>i"}ِ`&["jըЮԨ r4m
Ҷ:&U2/.H̳ U&
已知xy=-2,x-y=3,求(x+y)(x-y)-y^2+(x-y)^2-(6x^2y-2xy^2)÷2y
已知x=3y,试求(x-y)^2+2xy-y^2/x^2+7xy+y^2
已知x=3y,试求(x-y)^2+2xy-y^2/x^2+7xy+y^2
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xy/x+y=2,求代数式3x-5y+3y/-x+3xy-y
已知xy/(x+y)=2求(3x-5y+3y)/(-x+3xy-y)
已知xy/x+y=2,则代数式3x-5y+8y/-x+3xy-y的值
已知x+xy+y=3,则(3x+2xy+3y)/(2x+xy+2y)=
已知x-y=3xy,则2x+3xy-2y除以x-2xy-y=?
已知x-y=3xy,则2x+3xy-2y/x-2xy-y=
已知y=3xy+x,求代数式2x+3xy-2y/x-2xy-y的值
已知x-y/xy=3,求分式2x+3xy-2y/x-2xy-y的值.
已知3/(x-y)=1/xy 求(-x-2xy+y)/ (2x+3xy-2y)
已知x-y=3xy,求2x+3xy-2y/x-2xy-y
已知x-y=3xy,求2x-3xy-2y/x-2xy-y
已知y=3xy+x,求代数式2x+3xy-2y/x-2xy-y的值
已知x+y=3xy,求2x+2y-xy/x+y+2xy的值、
已知x-y=4xy,求2x+3xy-2y/x-2xy-y的值