m,n是整数,n^2+3(m^2)(n^2)=30(m^2)+517,求3(m^2)(n^2)
m,n是整数,n^2+3(m^2)(n^2)=30(m^2)+517,求3(m^2)(n^2)
若m、n是整数,且n^2+3m^2n^2=30m^2+517,求3m^2n^2的值.
已知m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
已知3m=2n,则m/(m+n)+n/(m-n)-n^2/(m^2-n^2)=?
已知:m,n是整数,3m+2=5n+3,且3m+2>30,5n+3
[(m-n)^2*(m-n)^3]^2/(m-n)^4
(m-n)2(n-m)3(n-m)4化简
计算(m+n)^3-(n+m)(m-n)^2
(n-m)^3×(m-n)^2-(m-n)^5
因式分解(n-m)^3(m-n)^2-(m-n)^5
3m(m-n)-2n(m-n)的平方
已知m,n.p都是整数,且|m-n|^3+|p-m|^5=1,求|p-m|+|m-n|+2|n-p|的值