已知|4x+3x-5|+|x-2y-4|=0,求x,y的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 12:47:38
xN@_ťRv %>!i.`H0` (i:SNAι'~3GghH$Lԁl db)NE=nxR⟽b>o2w.ވt,mW~ ȡ1F:H &5`:@
gaU(wU~ wx?~}vKk_a7Up'- 2Er6`d$U
'ĝFˊѺu0<_PVH |~`
Mw|N:ΒZ!:g",K1oB+l:.6tVr[zeo`rYK
_
W28<
已知7x+5y/2y-x=3/2,且x≠0,求X/x-4y
已知4x=5y,那么(3x+y)/(x-2y)=
已知x,y>0 2x+y+3=xy 求5x+4y最小值
1.已知:x-2y=3,求[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除4x 的值
已知x-2y=2011,求[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x的值.
已知2y-x=-3,求[4y(2x-y)-2x(2x-y)]/(2x-y
已知x*x+4x+y*y-2y+5=0,则x*x+y*y=?
已知(x+2)^2+|x+y+5|=0,求3x^2y-[2x^2y-(2xy-x^2y)-4x^2]-xy
已知x=3分之一,y=-2分之一,求代数式x-(x+y)+(x+2Y)-(x+3y)+(x+4y)...-(x+2009y)
已知x^2y等于3,求2xy(x^5y^2-3x^3y-4x)
已知:3(x-y)的平方-5x-2=2x-7y-4,求x-y的值
已知实数x,y满足y=x^2+5x-4,则3x-2y最大值为
已知|2-x|与|x-y+4|互为相反数,求代数式3(x-y)-5(x-y)*2-3(x-y)+(y-x)*2-4(x+y)+3(y-x)的值
已知|2-x|与|x-y+4|互为相反数,求代数式3(x-y)-5(x-y)-3(x-y)+(y-x)-4(x+y)+3(y-x)的值
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
已知x=1/3,y=-1/2,求代数式x-(x+y)+(x+2y)-(x+3y)+(x+4y)-(x+5y)+...-(x+2009y)的值.
已知x=1/3,y=-1/2,求代数式x-(x+y)+(x+2y)-(x+3y)+(x+4y)-(x+5y)+...-(x+2009y)的值.
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+(x-3y)(x-5y)+(x-2y)(x-4y)