li131421yang
幼苗
共回答了13个问题采纳率:84.6% 举报
(2006x)^2-2005*2007x-1=0
(2006x)^2-(2006^2-1)x-1=0
(2006x)^2-2006^2x + x-1=0
2006^2 x(x-1) + (x-1)=0
(2006^2 x + 1)(x-1) = 0
a = 1
x^2-2006x-2007=0的较小根为b
x^2-2007x + x-2007=0
x(x-2007) + (x-2007) = 0
(x+1)(x-2007)=0
b=-1
(a+b)^2010
= (1-1)^2010
= 0
1年前
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