已知m-n=4,mn=2,求多项式（-2mn+2m+3n)-(3mn+2n-2n)-(m+4n+mn)的值

已知m-n=4,mn=2,求多项式（-2mn+2m+3n)-(3mn+2n-2n)-(m+4n+mn)的值 已知m-n=4,mn=2,求多项式（-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值. 已知m-n=2,mn=1,求多项式(2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值 已知m-n=3,mn=-1,求多项式-2mn+2m+3n-3mn-2n+2m-4n-m-mn的值 已知m-n=3,mn=-3,求(-m-4n-mn)-(2mn-2m-3n)-(3mn+2n-2m)的值 已知MN^2=-6,求-MN(M^2N^5-MN^3-N)的值 若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值 若m-n=4,mn=-1,求(-2mn+m+n)-(3mn+5n-5m)-(m+4n-3mn)的值 已知M-N=3,MN=1,求多项式多项式（-2MN+2M+3N)-(3MN+2N-2M)-(M+4N+MN)的值. 已知mn／m+n=2,求3m-5mn+3n/-m+3mn-n的值 已知m+n=-2,mn=4,求2(mn-3m)-3(2n-mn)的值. 已知｜m-n-2｜与（mn-1)^互为相反数,求（-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值