计算:[-m^3n/(m-n)^2]^4*[(n^2-mn)/m]^3/m^4n^10*[(mn-n^2)/m]^6
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计算:[-m^3n/(m-n)^2]^4*[(n^2-mn)/m]^3/m^4n^10*[(mn-n^2)/m]^6
![计算:[-m^3n/(m-n)^2]^4*[(n^2-mn)/m]^3/m^4n^10*[(mn-n^2)/m]^6](/uploads/image/z/16324167-39-7.jpg?t=%E8%AE%A1%E7%AE%97%3A%5B-m%5E3n%2F%28m-n%29%5E2%5D%5E4%2A%5B%28n%5E2-mn%29%2Fm%5D%5E3%2Fm%5E4n%5E10%2A%5B%28mn-n%5E2%29%2Fm%5D%5E6)
[-m^3n/(m-n)^2]^4*[(n^2-mn)/m]^3/m^4n^10*[(mn-n^2)/m]^6
=m^12n^4/(m-n)^8*[n(n-m)/m]^3/m^4n^10*[n(m-n)/m]^6
=m^8/(m-n)^8*n^3(n-m)^3/m^3/n^6*n^6(m-n)^6/m^6
=-m^2/(m-n)^2*n^3(m-n)^3/m^3
=-n^3(m-n)/m
=m^12n^4/(m-n)^8*[n(n-m)/m]^3/m^4n^10*[n(m-n)/m]^6
=m^8/(m-n)^8*n^3(n-m)^3/m^3/n^6*n^6(m-n)^6/m^6
=-m^2/(m-n)^2*n^3(m-n)^3/m^3
=-n^3(m-n)/m
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