分解因式:1.x³y³-2x²y²+xy 2.ax²+2a²x+a³
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分解因式:1.x³y³-2x²y²+xy 2.ax²+2a²x+a³
分解因式:1.x³y³-2x²y²+xy 2.ax²+2a²x+a³
分解因式:1.x³y³-2x²y²+xy 2.ax²+2a²x+a³
1. x³y³-2x²y²+xy
=xy(x²y²-2xy+1)
=xy(xy-1)²
2. ax²+2a²x+a³
=a(x²+2ax+a²)
=a(x+a)²