化简m-(m^2×n+3m-4n)+(2nm^2-3n)
化简m-(m^2×n+3m-4n)+(2nm^2-3n)
(m-n)2(n-m)3(n-m)4化简
计算:(a^m)^n*(-a^3n)^2m除以(a^nm)^5-a^2nm
[(m-n)^2*(m-n)^3]^2/(m-n)^4
已知M+N=4分之3,m-n=四分之一 m^2-2nm+3m+3n+n^2
已知丨m-2丨+(n+5/1)²=0,求m-(m²n+3m-4n)+3(2nm²-3n)的
[2(m+n)^5-3(m+n)^4+(-m-n)^3]÷[2(m+n)^3]
(3m-4n)(4n+3m)-(2m-n)(2m+n)
已知m+n=3/4.m-n=1/4,求m^2+nm-3m-3n的值
计算(m+4n)(m-n)-6(m+2n)(m-3n)
(m+4n)(m-n)-6(m+2n)(m-3n),
(m+4n)(m-n)-6(m+2n)(m-3n)