求6/(1*7)-6/(7*13)-6/(13*19)-6/(19*25)-…-6/(97*103)的值
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求6/(1*7)-6/(7*13)-6/(13*19)-6/(19*25)-…-6/(97*103)的值
求6/(1*7)-6/(7*13)-6/(13*19)-6/(19*25)-…-6/(97*103)的值
求6/(1*7)-6/(7*13)-6/(13*19)-6/(19*25)-…-6/(97*103)的值
先提出一个6 然后将式子划为6*{1/7-(1/7-1/13)*1/6-(1/13-1/19)*1/6......-(1/97-1/103)*1/6}= 6*{1/7-1/42+1/(103*6)}剩下的你自己算吧!