(2m-n)^2-(3m+2n)^2
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(2m-n)^2-(3m+2n)^2(2m-n)^2-(3m+2n)^2(2m-n)^2-(3m+2n)^2(2m-n)^2-(3m+2n)^2=(2m-n+3m+2n)(2m-n-3m-2n)=(5
(2m-n)^2-(3m+2n)^2
(2m-n)^2-(3m+2n)^2
(2m-n)^2-(3m+2n)^2
(2m-n)^2-(3m+2n)^2
=(2m-n+3m+2n)(2m-n-3m-2n)
=(5m+n)(-m-3n)
(2m-n)^2-(3m+2n)^2 化简后的结果是 -5m^2-3n^2-16mn
2(m-n)^2-(m+n)(m-2n)-3n(n-m) 公因式(n-m)
m/n=5/3,求(m/m+n)+(m/m+n)-(n^2/m^2-n^2)
已知m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
(m+2n)(2m+n)-(3m-n)(m+2n)
(3m-4n)(4n+3m)-(2m-n)(2m+n)
计算(3-m+n)*(3+m-n)-(2-m+n)*(2+m-n)
(1),(-m-n)(-m+n) (2),(-m+n)(m-n)
(m-2n)(-m-n)
因式分解:(m+n)^3+2m(m+n)^2+m^2(m+n)
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
3m(m-n)-2n(m-n)的平方
因式分解(n-m)^3(m-n)^2-(m-n)^5
(m-n)2(n-m)3(n-m)4化简
(n-m)^3×(m-n)^2-(m-n)^5
计算(m+n)^3-(n+m)(m-n)^2
(m-n)^3(n-m)^2(m-n)=_____
4m(m-n)^2+4n(n-m)^3