m-n+2n^2/(m+n)
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m-n+2n^2/(m+n)m-n+2n^2/(m+n)m-n+2n^2/(m+n)m-n+2n^2/(m+n)=[(m-n)(m+n)+2n^2]/(m+n)=(m^2+n^2)/(m+n)
m-n+2n^2/(m+n)
m-n+2n^2/(m+n)
m-n+2n^2/(m+n)
m-n+2n^2/(m+n)
=[(m-n)(m+n)+2n^2]/(m+n)
=(m^2+n^2)/(m+n)
(1),(-m-n)(-m+n) (2),(-m+n)(m-n)
(m-2n)(-m-n)
m-n+2n^2/(m+n)
(m-2n/n-m)-(n/m-n)=
2(m-n)²-m(m-n)
(m-n)(m+n)+(m+n)²-2m²
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(m-n)+2n(m-n)(m-n)的平方+2n(m-n)因式分解
[(m+n)(m-n)-(m-n)²+2n(m-n)]÷4n
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
(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