(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解

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(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解解(m-2n)

(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解
(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解

(m-2n)^2+m(m-2n)+(m^2-4n^2)因式分解
解
(m-2n)²+m(m-2n)+(m²-4n²)
=(m-2n)²+m(m-2n)+(m-2n)(m+2n)
=(m-2n)[(m-2n)+m+(m+2n)]
=(m-2n)(2m-2n+m+2n)
=3m(m-2n)

(1),(-m-n)(-m+n) (2),(-m+n)(m-n) (m-2n)(-m-n) 2(m-n)²-m(m-n) （m-n)(m+n)+(m+n)²-2m² m-n+2n^2/(m+n) (m-2n/n-m)-(n/m-n)= mn(m-n)-m(n-m)²2m(m-n)(2n-m)求过程计算m+2m/n-m + n/m-n - 2m/n-m 计算m+2n/n-m+n/m-n-2m/n-m 分式加减法：化简：2m/m-n-n/n-m+m+2n/n-m 计算2m-n/n-m+m/m-n+n/n-m 计算：2m-n／n-m+m／m-n+n/n-m 4m(m-m)-2n(n-m) (n/m+n/2m^2)*4m/n^2 m/(m-n)^2-n/(n-m)^2 2m(m-n)平方-2n(n-m)平方 [(m-n)^2*(m-n)^3]^2/(m-n)^4 [(m-n)^2*(m-n)^3]^2/(m-n)^4