若实数m,n满足m^2+n^2-4m-14n+45=0,则k=(n-3)/(m+2)的最大值为____.

若实数m n 满足(m+n)(m+n-2)-8=0 则m+n=? 若实数m,m满足m^2+n^2-4m-14n+45=0若实数m,m满足m^2+n^2-4m-14n+45=0,（1)m-n的最大值.(2)m^2+n^2的最小值 若实数m,n满足m^2+n^2-4m-14n+45=0,则k=(n-3)/(m+2)的最大值为____. 若实数m,n满足m²+n²+2m-4n+5=0,求m的n方 若实数m,n满足m²+n²-4m-14n+45=0,求k=n-3/m+2的max和min 若m.n是两个不相等的实数,且满足m^-2m=1,n^-2n=1求代数式,2m^+4n^-4m-8n+2005 已知实数m,n满足m^2-2m-1=0,n^2-2n-1=0,求n/m+m/n的值?如题, 若m.n两数之间满足2m-4=(m-5)+(n+1)试比较m,n大小 已知实数m,n满足m-n^2,则代数式m^2+2n^2+4m-1的最小值等于______ 若实数m,n满足|m-3|+(n+2)2=0,则m+2n的值为多少 若实数m、n满足m+n=3,且m-n=1 则m= ,n= . 如果实数M,N满足关系式m+n=4,求m^2+N^2的最小值 如果实数m,n满足关系式m+n=4,求m^2+n^2的最小值 如果实数m,n满足关系式m+n=4,求m^l2+n^2的最小值. 已知实数m、n满足m2+n2=1,求动点P(m+n,2m-n)的轨迹方程. 若m.n是两个不相等的实数,且满足m^2-2m=1,n^2-2n=1,那么代数式2m^2+4n^2-4n+1994=? 一道数学题：若M ,N是两个不相等的实数,且满足M^2-2M=1,N^2-2N=1,那么代数式 2M^2+4N^2-4N+1996=( ) 若实数m.n满足m^2+n^2+2m-4n+5=0,求m^n的值若实数m,n满足m^2+n^2+2m-4n+5=0,求m^n的值.