1/2+1/4+1/8+1/16+1/32+1/64怎么算
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![1/2+1/4+1/8+1/16+1/32+1/64怎么算](/uploads/image/z/216904-40-4.jpg?t=1%2F2%2B1%2F4%2B1%2F8%2B1%2F16%2B1%2F32%2B1%2F64%E6%80%8E%E4%B9%88%E7%AE%97)
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1/2+1/4+1/8+1/16+1/32+1/64怎么算
1/2+1/4+1/8+1/16+1/32+1/64怎么算
1/2+1/4+1/8+1/16+1/32+1/64怎么算
运用等比数列s=a1[1-(q)n]/(1-q)=(1/2)[1-(1/2)5]/(1-1/2)=1-(1/2)5=1-1/32=31/32