(m-n)(n-m)²(m-n)³
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(m-n)(n-m)²(m-n)³
(m-n)(n-m)²(m-n)³
(m-n)(n-m)²(m-n)³
(m-n)(n-m)²(m-n)³
=(m-n)(m-n)²(m-n)³
=(m-n)^(1+2+3)
=(m-n)^6
(m-n)的6次方
干什么?计算吗?
(m-n)(n-m)²(m-n)³
=(m-n)(m-n)²(m-n)³
=(m-n)^6
=m^6-6(m^5)n+15(m^4)n^2-20(m^3)(n^3)+15(m^2)n^4-6mn^5+n^6
(m-n)(n-m)²(m-n)³
解 =(m-n)(m-n)²(m-n)
=(m-n)^6