|m-n+2|+2m+n+4=0 m=?n=?
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|m-n+2|+2m+n+4=0m=?n=?|m-n+2|+2m+n+4=0m=?n=?|m-n+2|+2m+n+4=0m=?n=?就是图片里面的因为|m-n+2|>=0所以|m-n+2|=-(
|m-n+2|+2m+n+4=0 m=?n=?
|m-n+2|+2m+n+4=0 m=?n=?
|m-n+2|+2m+n+4=0 m=?n=?
就是图片里面的
因为|m-n+2|>=0
所以|m-n+2|=-(2m+n+4)
当m-n>2时m-n+2=-2m-n-4 3m=-6 m=-2 n=0
(m-n)^2*(m-n)^4=?
(m-2n/n-m)-(n/m-n)=
已知3m=4n,则m/m+n+n/m-n-m^2/m^2-n^2=
m+n/4m^-n^-m-2m/n^-4m^=
(m-2n)(2n+m)-(-3m-4n)(4n-3m)=
.4(m+n)^2*(m+n)^3-7(m+n)(m+n)^4+5(m+n)^5=
2x+n/m=m/n-(m/n+n/m)x(m+n不等于0)
(m-n)^3(n-m)^2(m-n)=_____
已知m.n不等于0,若m*2-4mn+4n*2=0,求m+n/m-n
设m,n满足m^2+n^2+2m+4n+5=0,求n^m的值
lm+n-3l+m^2n^2+4mn+4=0 求(4m-n)(m-2n)-(n-m)(-m-n)
|m-n+2|+2m+n+4=0 m=?n=?
若m^2+n^2+2m-4n+5=0,则m+n=?
m^2+4m+n^2-6n+13=0,则m+n=
若m^2+n^2-6n+4m+13=0则m-n=?
|m-n+2|+(m+n-4)的平方=0则m=(),n=()
m^+4m+n^-2n+5=0,求4m+5n=?
(3m-n)(m-2n)=()