若点P(a,2)与Q(-3,b)关于x轴对称,求1/ab+1/(a-1)(b-1)+1/(a-2)(b-2)+1/(a-3)(b-3)+......+1/(a-2006)(b-20
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快快快快快快!!!!!
是1/ab+1/(a-1)(b-1)+1/(a-2)(b-2)+1/(a-3)(b-3)+......+1/(a-2006)(b-2006)的值 展开
是1/ab+1/(a-1)(b-1)+1/(a-2)(b-2)+1/(a-3)(b-3)+......+1/(a-2006)(b-2006)的值 展开
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