x²-x-2=0求(x²-x)²-1+根号3分之x²-x+2被根号3的值
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x²-x-2=0求(x²-x)²-1+根号3分之x²-x+2被根号3的值
![x²-x-2=0求(x²-x)²-1+根号3分之x²-x+2被根号3的值](/uploads/image/z/7386808-40-8.jpg?t=x%26%23178%3B-x-2%EF%BC%9D0%E6%B1%82%EF%BC%88x%26%23178%3B-x%EF%BC%89%26%23178%3B-1%2B%E6%A0%B9%E5%8F%B73%E5%88%86%E4%B9%8Bx%26%23178%3B-x%2B2%E8%A2%AB%E6%A0%B9%E5%8F%B73%E7%9A%84%E5%80%BC)
x²-x-2=0
x²-x=2
(x²-x)²-(x²-x+2√3)/(1+√3)
=2²-(2+2√3)/(1+√3)
=4-2
=2
x²-x=2
(x²-x)²-(x²-x+2√3)/(1+√3)
=2²-(2+2√3)/(1+√3)
=4-2
=2
x²-x-2=0求(x²-x)²-1+根号3分之x²-x+2被根号3的值
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