若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.
来源:学生作业帮助网 编辑:六六作业网 时间:2024/08/25 19:10:07
若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.X-XY-Y/3Y-
若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.
若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.
若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.
X-XY-Y/3Y-XY-3X
上下同除以xy
=(1/y-1/x-1)/(3/x-3/y-1)
=[-1-(1/x-1/y)]/[3(1/x-1/y)-1]
=(-1-1)/(3-1)
=-1
X/1-Y/1=1
x-y=xy
(X-XY-Y)/(3Y-XY-3X)
=(xy-xy)/(3Y-XY-3X)
=0
若1/x-1/y=2,求3x-2xy-3y/x-xy-y的值3x-2xy-3y/x-xy-y 不好意思,是3x-2xy-3y/x-2xy-y
若x-y=4,xy=1,求(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)的值
1/x-1/y=x,求5y+xy-5y/y-xy-x=?
若1/x-1/y=1/3,求(2x+3xy-2y)/(x-3xy-y)
若1/x-1/y=1,求3y-xy-3x/x-xy-y的值
若1/x-1/y=1,求3y-xy-3x/x-xy-y的值.
若X/1-Y/1=1,求X-XY-Y/3Y-XY-3X的值.
若1/x - 1/y =1 ,求(3y-xy-3x) / (x-xy-y) 的值.
若1/x+1/y=5,求3x+4xy+3y/x+3xy+y的值
若(1/x )-(1/y)=3,求(3x+4xy-3y)/(x-2xy-y)的值.
若1/X-1/Y=2,求3X+XY+3Y/X-XY-Y的值
若1/x-1/y=3,求(2x+3xy-2y)/(x-2xy-y)的值
若1/x -1/y =3,求(2x+3xy-2y)/(x-y-2xy)
若1/X—1/Y=2,求3X-2XY-3Y/X-2XY-Y
若1/x-1/y=3,求(2x-3xy-2y)/(x-2xy-y)的值
若1/X-1/Y=3,求5X+2XY-5Y/X-4XY-Y
若1/x-1/y=3,求5x+2xy-5y/x-4xy-y的值
若x分之一-y分之一=1,求(x-xy-y)分之(3y-xy-3x)的值