(1+1/2)(1+1/2²)(1+二的4次方分之一)(1+2的8次方分之一)+二的十五次方分之一
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![(1+1/2)(1+1/2²)(1+二的4次方分之一)(1+2的8次方分之一)+二的十五次方分之一](/uploads/image/z/682717-13-7.jpg?t=%281%2B1%2F2%29%281%2B1%2F2%26%23178%3B%29%281%2B%E4%BA%8C%E7%9A%844%E6%AC%A1%E6%96%B9%E5%88%86%E4%B9%8B%E4%B8%80%29%281%2B2%E7%9A%848%E6%AC%A1%E6%96%B9%E5%88%86%E4%B9%8B%E4%B8%80%29%2B%E4%BA%8C%E7%9A%84%E5%8D%81%E4%BA%94%E6%AC%A1%E6%96%B9%E5%88%86%E4%B9%8B%E4%B8%80)
(1+1/2)(1+1/2²)(1+二的4次方分之一)(1+2的8次方分之一)+二的十五次方分之一
(1+1/2)(1+1/2²)(1+二的4次方分之一)(1+2的8次方分之一)+二的十五次方分之一
(1+1/2)(1+1/2²)(1+二的4次方分之一)(1+2的8次方分之一)+二的十五次方分之一
(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8) 这个式子*一个(1-1/2)然后除以一个(1-1/2),
原式=(1-1/2)/(1-1/2)*(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)+1/2^15
=(1-1/2^2)(1+1/2^2)(1+1/2^4)(1+1/2^8)*2+1/2^15
=(1-1/2^4)(1+1/2^4)(1+1/2^8)*2+1/2^15
=(1-1/2^8)(1+1/2^8)*2+1/2^15
=(1-1/2^16)*2+1/2^15
=2-1/2^15