化简:1/2x²+xy-1.5y²/x²-y²
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![化简:1/2x²+xy-1.5y²/x²-y²](/uploads/image/z/5246467-43-7.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A1%2F2x%26%23178%3B%2Bxy-1.5y%26%23178%3B%2Fx%26%23178%3B-y%26%23178%3B)
化简:1/2x²+xy-1.5y²/x²-y²
化简:1/2x²+xy-1.5y²/x²-y²
化简:1/2x²+xy-1.5y²/x²-y²
(1/2x²+xy-1.5y²)/(x²-y²) 分子分母同时乘以2得
=(x²+2xy-3y²)/[2(x²-y²)]
=[(x+3y)(x-y)]/[2(x+y)(x-y)]
=(x+3y)/[2(x+y)]
=(x+3y)/(2x+2y)
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