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分解因式m^5n-8m^3n^3+16mn^5
人气:185 ℃ 时间:2020-10-01 19:23:18
解答
m^5n-8m^3n^3+16mn^5
=mn(m^4-8m^2n^2+16n^4)
=mn(m^2-4n^2)^2
=mn[(m-2n)(m+2n)]^2
=mn(m-2n)^2(m+2n)^2
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