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填空:()除以2x^2y-2xy^2+1分解因式:x(a-b)^2n+y(b-a)^2n-1=填空:()除以2x^2y-2xy^2+1分解因式:x(a-b)^2n+y(b-a)^2n-1=
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填空:()除以2x^2y-2xy^2+1 分解因式:x(a-b)^2n+y(b-a)^2n-1=
填空:( )除以2x^2y-2xy^2+1
分解因式:x(a-b)^2n+y(b-a)^2n-1=
填空:( )除以2x^2y-2xy^2+1
分解因式:x(a-b)^2n+y(b-a)^2n-1=
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答案和解析
2.原式=x(a-b)^(2n)-y(a-b)^(2n-1)
=(a-b)^(2n-1)*[x(a-b)-y].
=(a-b)^(2n-1)*[x(a-b)-y].
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