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解答:
(1)x^2-4mx+8mn-4n^2=(x+2n)(x-2n)-4m(x-2n)=(x-2n)(x+2n-4m)
(2)a^2b+2a^2b^2+ab^2=ab(a+b+2ab)=2*(2/3+4)=28/3
(1)x^2-4mx+8mn-4n^2=(x+2n)(x-2n)-4m(x-2n)=(x-2n)(x+2n-4m)
(2)a^2b+2a^2b^2+ab^2=ab(a+b+2ab)=2*(2/3+4)=28/3
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