1/2+1/4+8/1+……+1/2048简算
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![1/2+1/4+8/1+……+1/2048简算](/uploads/image/z/14262163-43-3.jpg?t=1%2F2%2B1%2F4%2B8%2F1%2B%E2%80%A6%E2%80%A6%2B1%2F2048%E7%AE%80%E7%AE%97)
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1/2+1/4+8/1+……+1/2048简算
1/2+1/4+8/1+……+1/2048简算
1/2+1/4+8/1+……+1/2048简算
1/2+1/4+1/8+·········+1/2048
=1/2+(1/2-1/4)+(1/4-1/8)+······(1/1024-1/2048)
=1/2+1/2-1/2048
=1-1/2048
=2047/2048