用换元法解方程x^2+x=6/x^2+x+1时,若原方程化为y=6/y+1,则y等于( )A.x+1 B.x^2+x C.x^2+1 D.x^2+x+1
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![用换元法解方程x^2+x=6/x^2+x+1时,若原方程化为y=6/y+1,则y等于( )A.x+1 B.x^2+x C.x^2+1 D.x^2+x+1](/uploads/image/z/330712-16-2.jpg?t=%E7%94%A8%E6%8D%A2%E5%85%83%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8Bx%5E2%2Bx%3D6%2Fx%5E2%2Bx%2B1%E6%97%B6%2C%E8%8B%A5%E5%8E%9F%E6%96%B9%E7%A8%8B%E5%8C%96%E4%B8%BAy%3D6%2Fy%2B1%2C%E5%88%99y%E7%AD%89%E4%BA%8E%EF%BC%88+%EF%BC%89A.x%2B1+B.x%5E2%2Bx+C.x%5E2%2B1+D.x%5E2%2Bx%2B1)
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用换元法解方程x^2+x=6/x^2+x+1时,若原方程化为y=6/y+1,则y等于( )A.x+1 B.x^2+x C.x^2+1 D.x^2+x+1
用换元法解方程x^2+x=6/x^2+x+1时,若原方程化为y=6/y+1,则y等于( )
A.x+1 B.x^2+x C.x^2+1 D.x^2+x+1
用换元法解方程x^2+x=6/x^2+x+1时,若原方程化为y=6/y+1,则y等于( )A.x+1 B.x^2+x C.x^2+1 D.x^2+x+1
B.x^2+x