已知实数m,n满足m²-4m-1=0,则
已知实数M,N满足M的平方-4M-1=0,N的平方-4N-1=0,则M/N+N/M=
已知实数m、n满足m2-4m-1=0,n2-4n-1=0,则mn
已知实数m n满足m²+n²=1,则点p(m+n,m-n)的轨迹方程
已知实数m,n满足m^2+m-2009=0,1/n^2-1/n-2009=0,(mn不等于-1),则1/m-n=?
已知实数m,n满足等式(1/3)^m=(1/4)^n,下列五个关系式:①m
已知m,n是实数,且满足m^2+2n^2+m-3/4n+17/36=0,则-mn^2的平方根是( )
已知:实数m满足:m2-5m-1=0,则代数式3m
已知实数m,n满足m2=5m+4,n2=5n+4,则m/n+n/m=
若非零实数m,n满足m^2=mn-1/4n^2,则n/m=?
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______
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
已知实数m、n满足m2+n2=1,求动点P(m+n,2m-n)的轨迹方程.