已知0≤m-n≤2,2≤m+n≤4,则当m-2n达到最小值时,3m+4n=______.
已知0≤m-n≤2,2≤m+n≤4,则当m-2n达到最小值时,3m+4n=______.
已知m ,n均为正整数且满足(4m/3 )-75=n+(2m/9)则当m=( )时,n取得最小值( )
已知3m=2n,则m/(m+n)+n/(m-n)-n^2/(m^2-n^2)=?
已知2m+n分之m-2n=3,则2m+n分之3(m-2n)+3(2m+n)分之m-2n-4(2m+n)分之5(m-2n)
1,已知3m=4n,则m/m+n +n/m-n -m^2/m^2-n^2=
[(m-n)^2*(m-n)^3]^2/(m-n)^4
(m-n)2(n-m)3(n-m)4化简
已知m,n,p都整数,且|m-n|3+|p-m|5=1,则|p-m|+|m-n|+2|n-p|=______.
已知m,n,p都是整数,且|m-n|+|p-m|=1,则|p-m|+|m-n|+3(n-p)2=______.
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m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
如果m和n互为相反数,则m+2m+3m+4m+5m+5n+4n+3n+2n+n=