化简方程√[x^2+(y+3)^2]+√[x^2+(y-3)^2]=10为不含根式的形式是A.(x^2/25)+(y^2/16)=1B.(x^2/25)+(y^2/9)=1C.(x^2/16)+(y^2/25)=1D.(x^2/9)+(y^2/25)=1求详解,为什么选C
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![化简方程√[x^2+(y+3)^2]+√[x^2+(y-3)^2]=10为不含根式的形式是A.(x^2/25)+(y^2/16)=1B.(x^2/25)+(y^2/9)=1C.(x^2/16)+(y^2/25)=1D.(x^2/9)+(y^2/25)=1求详解,为什么选C](/uploads/image/z/3937054-22-4.jpg?t=%E5%8C%96%E7%AE%80%E6%96%B9%E7%A8%8B%E2%88%9A%5Bx%5E2%2B%28y%2B3%29%5E2%5D%2B%E2%88%9A%5Bx%5E2%2B%28y-3%29%5E2%5D%3D10%E4%B8%BA%E4%B8%8D%E5%90%AB%E6%A0%B9%E5%BC%8F%E7%9A%84%E5%BD%A2%E5%BC%8F%E6%98%AFA.%28x%5E2%2F25%29%2B%28y%5E2%2F16%29%3D1B.%28x%5E2%2F25%29%2B%28y%5E2%2F9%29%3D1C.%28x%5E2%2F16%29%2B%28y%5E2%2F25%29%3D1D.%28x%5E2%2F9%29%2B%28y%5E2%2F25%29%3D1%E6%B1%82%E8%AF%A6%E8%A7%A3%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E9%80%89C)
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