计算:(1)(m-n)^2*(n-m)^5*(m-n)^5 (2)(-x)^2*x^3+2x^3*(-x)^2-x*x^4
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计算:(1)(m-n)^2*(n-m)^5*(m-n)^5(2)(-x)^2*x^3+2x^3*(-x)^2-x*x^4计算:(1)(m-n)^2*(n-m)^5*(m-n)^5(2)(-x)^2*x
计算:(1)(m-n)^2*(n-m)^5*(m-n)^5 (2)(-x)^2*x^3+2x^3*(-x)^2-x*x^4
计算:(1)(m-n)^2*(n-m)^5*(m-n)^5 (2)(-x)^2*x^3+2x^3*(-x)^2-x*x^4
计算:(1)(m-n)^2*(n-m)^5*(m-n)^5 (2)(-x)^2*x^3+2x^3*(-x)^2-x*x^4
(1)(m-n)^2*(n-m)^5*(m-n)^5
=(m-n)^2*[-(m-n)^5]*(m-n)^5
=-(m-n)^(2+5+5)
=-(m-n)^12
(2)(-x)^2*x^3+2x^3*(-x)^2-x*x^4
=x^2*x^3+2x^3*x^2-x^5
=x^5+2x^5-x^5
=2x^5
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