问题描述: 必采纳(1+3)*(1+3平方)*(1+3四次方)*(1+3八次方)*(1+3十六次方) 1个回答 分类:数学 2014-09-28 问题解答: 我来补答 (1+3)*(1+3平方)*(1+3四次方)*(1+3八次方)*(1+3十六次)=(1+3)*(1+3平方)*(1+3四次方)*(1+3八次方)*(1+3十六次)*(1-3)/(1-3)=(1-3平方)*(1+3平方)*(1+3四次方)*(1+3八次方)*(1+3十六次)/(1-3)=(1-3四次方)*(1+3四次方)*(1+3八次方)*(1+3十六次)/(1-3)=(1-3八次方)*(1+3八次方)*(1+3十六次)/(1-3)=(1-3十六次)*(1+3十六次)/(1-3)=(1-3三十二次)/(1-3)=-1/2*(1-3三十二次) 展开全文阅读