1/(1/2)+1/(2*3)+1/(3*4)+...+/(2007+2008)= /是除号,*为乘号,在线等,最好有解法.1/(1/2)+1/(2*3)+1/(3*4)+.+/(2007+2008)= /是除号,*为乘号,在线等,最好有解法.

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