若实数xy满足(x²+y²+1)(x²+y²+3)=0则x²+y
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若实数xy满足(x²+y²+1)(x²+y²+3)=0则x²+y²的值等于
若实数xy满足(x²+y²+1)(x²+y²+3)=0,则x²+y²的值等于
搞错了 是(x²+y²+1)(x²+y²-3)=0 对不起对不起对不起
若实数xy满足(x²+y²+1)(x²+y²+3)=0,则x²+y²的值等于
搞错了 是(x²+y²+1)(x²+y²-3)=0 对不起对不起对不起
![若实数xy满足(x²+y²+1)(x²+y²+3)=0则x²+y](/uploads/image/z/13482666-18-6.jpg?t=%E8%8B%A5%E5%AE%9E%E6%95%B0xy%E6%BB%A1%E8%B6%B3%28x%26%23178%3B%2By%26%23178%3B%2B1%29%28x%26%23178%3B%2By%26%23178%3B%2B3%29%3D0%E5%88%99x%26%23178%3B%2By%26%231)
x²+y²的值等于-1或-3
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