2m-n��֮3-(2m-n)��2�η���֮2m-n

(1),(-m-n)(-m+n)(2),(-m+n)(m-n)(1),(-m-n)(-m+n)(2),(-m+n)(m-n)(1),(-m-n)(-m+n)(2),(-m+n)(m-n)我又来了～

[(m-n)^2*(m-n)^3]^2/(m-n)^4[(m-n)^2*(m-n)^3]^2/(m-n)^4[(m-n)^2*(m-n)^3]^2/(m-n)^4设m-n为a（a^2*a^3）^2/a

[(m-n)^2*(m-n)^3]^2/(m-n)^4[(m-n)^2*(m-n)^3]^2/(m-n)^4[(m-n)^2*(m-n)^3]^2/(m-n)^4原式=[（m-n）∧(2+3)]∧2／

3m(m-n)-2n(m-n)的平方3m(m-n)-2n(m-n)的平方3m(m-n)-2n(m-n)的平方3m（m－n）－2n（m－n）²＝（m－n）（3m－2mn＋2n²）3m

因式分解(n-m)^3(m-n)^2-(m-n)^5因式分解(n-m)^3(m-n)^2-(m-n)^5因式分解(n-m)^3(m-n)^2-(m-n)^5解原式=-(m-n)³(m-n)&

（m-n)2(n-m)3(n-m)4化简（m-n)2(n-m)3(n-m)4化简（m-n)2(n-m)3(n-m)4化简(m-n)2(n-m)7

（n-m)^3×(m-n)^2-(m-n)^5（n-m)^3×(m-n)^2-(m-n)^5（n-m)^3×(m-n)^2-(m-n)^5（n-m)^3×(m-n)^2-(m-n)^5=-(m-n)^

计算(m+n)^3-(n+m)(m-n)^2计算(m+n)^3-(n+m)(m-n)^2计算(m+n)^3-(n+m)(m-n)^2(m+n)^3-(n+m)(m-n)^2=(m+n)[(m+n)^2

(m-n)^3(n-m)^2(m-n)=_____(m-n)^3(n-m)^2(m-n)=_____(m-n)^3(n-m)^2(m-n)=_____(m-n)^6

4m(m-n)^2+4n(n-m)^34m(m-n)^2+4n(n-m)^34m(m-n)^2+4n(n-m)^34m(m-n)^2+4n(n-m)^3=4m(n-m)^2+4n(n-m)^3=4（n

(m-2n)(-m-n)(m-2n)(-m-n)(m-2n)(-m-n)(m-2n)(-m-n)=-m²+2mn-mn+2n²=-m²+mn+2n²

2(m-n)的2次-(m+n)(m-2n)-3n(n-m)2(m-n)的2次-(m+n)(m-2n)-3n(n-m)2(m-n)的2次-(m+n)(m-2n)-3n(n-m)2(m-n)²-

2m-3n-m+2n2m-3n-m+2n2m-3n-m+2n=2m-m+2n-3n=m-n

(m-n)3-(2n-m)3(m-n)3-(2n-m)3(m-n)3-(2n-m)3(m-n)3-(2n-m)3＝﹙m－n－2n＋m﹚[﹙m－n﹚²＋﹙m－n﹚﹙2n－m﹚＋﹙2n－m﹚&#

(3m-n)(m-2n)=()(3m-n)(m-2n)=()(3m-n)(m-2n)=()3m^2-7mn+2n^23m^2-7mn+2n^23m平方-7mm+2n平方=0

(m+2n)(m-3n)(m+2n)(m-3n)(m+2n)(m-3n)(m+2n)(m-3n)=m²-3mn+2mn-6n²=m²-mn-6n²m平方-mn-

(m-3n)(2m+n)(m-3n)(2m+n)(m-3n)(2m+n)=2m²+mn-6mn-3n²=2m²-5mn-3n²2m^2-5mn-3n^2

约分(m-n)^2/(n-m)^3约分(m-n)^2/(n-m)^3约分(m-n)^2/(n-m)^31/（n-m）

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)

分解因式(2m-n)(2m-n)(2m-n)+3n(n-2m)(n-2m)分解因式(2m-n)(2m-n)(2m-n)+3n(n-2m)(n-2m)分解因式(2m-n)(2m-n)(2m-n)+3n(