若mn互为相反数,则(3m-m)-(2m-3n)等于?
如果m、n互为相反数,则(3m-2n)-(7n+12m)+3等于多少?
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
若A.B互为倒数,M.N互为相反数,则2(M+N)的平方+3AB的值等于?
若m、n互为相反数,则(5m-3n)-(2m-6n)=
若m、n互为相反数,则(3m-2m)-(2m-3n)的值为__________________
m+3与2n-3互为相反数,则m+n等于
若ab互为倒数,mn互为相反数,则5(m+n)²-ab/4=
已知绝对值m-n-2与(mn-1)的平方互为相反数,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn
已知|m-n-2|与(mn-1)的2次方互为相反数,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn
若m,n互为相反数,a,b互为倒数,则2(m+n)-3ab=______.
m,n互为相反数,则(3m-2n)-(2m-3n)=_______.
若/m-3/与/2n-6/互为相反数,则2m+n的值是多少?