因式分解1/2x²+2xy+2y²
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因式分解1/2x²+2xy+2y²
因式分解1/2x²+2xy+2y²
因式分解1/2x²+2xy+2y²
1/2x²+2xy+2y²
=1/2(x²+4xy+4y²)
=1/2(x+2y)²
1/2x²+2xy+2y²
=1/2(x²+4xy+4y²)
=1/2(x+2y)²