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-8x^2y-2x^3-8xy^2因式分解-8x^2y-2x^3-8xy^26a^2-a-9a^3(x-y)^2+12(x-y)+3625(x-y)^2-60(x-y)+36(x+y)^2-2(x^2-y^2)+(x-y)^2知道几题是几题分照样给!

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