m-m^3-mn^2+2m^2n
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m-m^3-mn^2+2m^2nm-m^3-mn^2+2m^2nm-m^3-mn^2+2m^2n=m{1-(m-n)^2}mn
m-m^3-mn^2+2m^2n
m-m^3-mn^2+2m^2n
m-m^3-mn^2+2m^2n
= m{1-(m-n)^2}
mn
(5mn-2m+3n)+(-7m-7mn)
(5mn-2m+3n)+(-7m-7mn)
m-m^3-mn^2+2m^2n
化简:m/(m-n)根号(m^3-2m^2n+mn^2)(m
mn(m-n)-m(n-m)²2m(m-n)(2n-m)求过程
1/M+1/N=5 (3M+MN+2N) / (M-MN=3N)
因式分解m^3-2m^2n+mn^2-4m^2+4mn+4m
若(m+n)^2-mn(m+n)=(m+n)·M,则M是() A.m^2+n^2 B.m^2-mn+n^2 C.m^2-3mn+n^2 D.m^2+mn+n^2
m^+2n-mn-2m
(m^2-n^2/mn)^2÷(m+n)^2*(m/m-n)^3 化简
已知m-n=4,m、n互为倒数求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4m+mn)的值
m^3n-2m^2n^2+mn^3
m²-3mn+2n²+m-n因式分解
因式分解:8mn(n-m)+2(n-m)^3
因式分解:8mn(n-m)+2(n-m)^3,
因式分解: m(m-2n)+n(2mn-m^2)
(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0
mn(m-n)-m(n-m)2 2是平方