因式分解xy³-2x²y²+x³y
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因式分解xy³-2x²y²+x³y
因式分解xy³-2x²y²+x³y
因式分解xy³-2x²y²+x³y
xy³-2x²y²+x³y
=xy(y²-2xy+x²)
=xy(x-y)²
xy³-2x²y²+x³y
=xy(y²-2xy+x²)
=xy(y-x)²
xy³-2x²y²+x³y
=xy(y²-2xy+x²)
=xy(x-y)²
xy(X-Y)的平方
xy(x-y)^2