3/2+7/6+13/12+.+9901/9900怎么算
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![3/2+7/6+13/12+.+9901/9900怎么算](/uploads/image/z/130173-69-3.jpg?t=3%2F2%2B7%2F6%2B13%2F12%2B.%2B9901%2F9900%E6%80%8E%E4%B9%88%E7%AE%97)
3/2+7/6+13/12+.+9901/9900怎么算
3/2+7/6+13/12+.+9901/9900
怎么算
3/2+7/6+13/12+.+9901/9900怎么算
3/2+7/6+13/12+.+9901/9900
=1+1/2+1+1/6+1+1/12……+1+1/9900
=99+(1-1/2+1/2-1/3+1/3-……+1/99-1/100)
=99+(1-1/100)
=99.99