0.5[(m+2n)/3+n]*(m-n)/3+0.5[m/2-(m-n)/3)]*(m+2n)/3=5/6化简
(m-n)2(n-m)3(n-m)4化简
(n-m)^3×(m-n)^2-(m-n)^5
因式分解(n-m)^3(m-n)^2-(m-n)^5
已知m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
初一计算:(m+5n)(m-n)-6(m+2n)(n-3n)?
(m-5n)(m-n)-6(m+2n)(m-3n)
m-{n-2m+[3m-(6m+3n)-5n]}化简
m-{n-2m+[3m-(6m+3n)+5n]}=
已知3m=2n,则m/(m+n)+n/(m-n)-n^2/(m^2-n^2)=?
[(m-n)^2*(m-n)^3]^2/(m-n)^4
计算(m+n)^3-(n+m)(m-n)^2
3m(m-n)-2n(m-n)的平方