已知实数x,y 满足xy-4x-y+1=0(x>1),(x+1)(y+2)的最小值为?
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![已知实数x,y 满足xy-4x-y+1=0(x>1),(x+1)(y+2)的最小值为?](/uploads/image/z/1325536-16-6.jpg?t=%E5%B7%B2%E7%9F%A5%E5%AE%9E%E6%95%B0x%2Cy+%E6%BB%A1%E8%B6%B3xy-4x-y%2B1%3D0%28x%3E1%29%2C%28x%2B1%29%28y%2B2%29%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E4%B8%BA%3F)
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已知实数x,y 满足xy-4x-y+1=0(x>1),(x+1)(y+2)的最小值为?
已知实数x,y 满足xy-4x-y+1=0(x>1),(x+1)(y+2)的最小值为?
已知实数x,y 满足xy-4x-y+1=0(x>1),(x+1)(y+2)的最小值为?
好象是27,y=7 x=2时最小