m，n满足|m+2|+n−9＝0

m，n满足|m+2|+n−9＝0 已知m、n、p满足|2m|+m=0,|n|=n,p|p|=1.化简：|n|-|m-p-1|+|p+n|-|2n+1|. 已知实数m.n满足m^2-7m+2=0,n^2-7n+2=0,求代数式n/m+m/n的值 已知,A的坐标为(m,n),且m,n满足(2m+n-6)^2+/m-2/=0 满足2m^2+n^2+3m+n-1=0的整数组m,n共有几组? 已知m,n为整数,且满足2m^2+n^2+3m+n-1=0 如果m,n为有理数,且满足/m+n+2/+(m-2n+8)²=0,则mn= 已知m,n满足根号下m-2n+丨2m-n-6丨=0 满足m的平方+n的平方+2m-6n+10=0,求m=?,n=? 若m,n满足(m+2)的绝对值+(n-3)的平方=0,求m的n次方. 若M,N满足M-2的绝对值+(N+3)的平方=0,则N的M次方=? 已知满足m²+n²+2m-6n+10=0,求m,n的值