(2m+3n)(2m-3n)-(3m-2n)(3m+2n)
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(2m+3n)(2m-3n)-(3m-2n)(3m+2n)
(2m+3n)(2m-3n)-(3m-2n)(3m+2n)
(2m+3n)(2m-3n)-(3m-2n)(3m+2n)
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))
2(m-n)^2-(m+n)(m-2n)-3n(n-m) 公因式(n-m)
因式分解:(m+n)^3+2m(m+n)^2+m^2(m+n)
(m+2n)(2m+n)-(3m-n)(m+2n)
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m-{n-2m+[3m-(6m+3n)-5n]}化简
已知|2m-n/m+2n|=3,求2(2m-n)/m+2n-2m-n/m+2n-3的值
已知|2m -n/m+2n|=3求2(2m-n)/m+2n-2m-n/m+2n-3的值
若2m-n/m+2n=5,求3(2m-n)/m+2n-m+2n/2m-n+3的值
若2m-n/m+2n=5,求3(2m-n)/m+2n-m+2n/2m-n+3的值
[(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