计算:1-(1/2-1/3)-(1/3-1/4)-(1/4-1/5)-(1/5-1/6)-……-(1/9-1/10)

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计算:1-(1/2-1/3)-(1/3-1/4)-(1/4-1/5)-(1/5-1/6)-……-(1/9-1/10)计算:1-(1/2-1/3)-(1/3-1/4)-(1/4-1/5)-(1/5-1/

计算:1-(1/2-1/3)-(1/3-1/4)-(1/4-1/5)-(1/5-1/6)-……-(1/9-1/10)
计算:1-(1/2-1/3)-(1/3-1/4)-(1/4-1/5)-(1/5-1/6)-……-(1/9-1/10)

计算:1-(1/2-1/3)-(1/3-1/4)-(1/4-1/5)-(1/5-1/6)-……-(1/9-1/10)
=1-1/2+1/3-1/3+1/4-1/4+1/5-1/5……+1/10
=1-1/2+1/10
=6/10