实数x,y 满足[x-√(x²-2011)][y-√(y²-20110)]=2011,求3x²-2y²+3x-3y-2011的值是根号下(x²-2011)和(y²-2011),
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![实数x,y 满足[x-√(x²-2011)][y-√(y²-20110)]=2011,求3x²-2y²+3x-3y-2011的值是根号下(x²-2011)和(y²-2011),](/uploads/image/z/2556880-16-0.jpg?t=%E5%AE%9E%E6%95%B0x%2Cy+%E6%BB%A1%E8%B6%B3%5Bx-%E2%88%9A%28x%26%23178%3B-2011%29%5D%5By-%E2%88%9A%28y%26%23178%3B-20110%EF%BC%89%5D%3D2011%2C%E6%B1%823x%26%23178%3B-2y%26%23178%3B%2B3x-3y-2011%E7%9A%84%E5%80%BC%E6%98%AF%E6%A0%B9%E5%8F%B7%E4%B8%8B%EF%BC%88x%26%23178%3B-2011%EF%BC%89%E5%92%8C%EF%BC%88y%26%23178%3B-2011%EF%BC%89%2C)
实数x,y 满足[x-√(x²-2011)][y-√(y²-20110)]=2011,求3x²-2y²+3x-3y-2011的值是根号下(x²-2011)和(y²-2011),
实数x,y 满足[x-√(x²-2011)][y-√(y²-20110)]=2011,求3x²-2y²+3x-3y-2011的值
是根号下(x²-2011)和(y²-2011),
实数x,y 满足[x-√(x²-2011)][y-√(y²-20110)]=2011,求3x²-2y²+3x-3y-2011的值是根号下(x²-2011)和(y²-2011),
x=y=根号2011或x=y= - 根号2011
3x²-2y²+3x-3y-2011=3x²-2x²+3x-3x-2011=x²-2011=2011-2011=0