若m、n互为相反数,且(2m+2n+3)(m-n-3)=9,则m=( ),n=( ).
若m、n互为相反数,则(5m-3n)-(2m-6n)=
m,n互为相反数,则(3m-2n)-(2m-3n)=_______.
如果m和n互为相反数,则m+2m+3m+4m+5m+5n+4n+3n+2n+n=
已知M,N互为相反数,那么(3m--2n)--(2m--3n)=多少?
若(3m-2n+1)与|5m=2n-n|互为相反数,求m+n的值
如果m,n互为相反数,求m+2m+3m+4m+5m+5n+4n+3n+2n+n=多少
m,n互为相反数,则(3m-2n)-(2m-3n)=______.
若(m-2n)/(2m+n)=3,则[3(m-2n)/(2m+n)-(m-2n)/[2(2m+n)] - {9(m-2n
若m,n互为相反数,且(m+n+6)(m-n-6)=0,求m,n的值
若m,n互为相反数,a,b互为倒数,则2(m+n)-3ab=______.
已知m、n互为相反数,且满足(m+n)^2-(n+4)^2=16,求m^2+n^2-n分之m的值
若m、n互为相反数,则5-3m-3n=