计算2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1

问题描述:

计算2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
1个回答 分类:数学 2014-10-04

问题解答:

我来补答
反复运用公式(a-b)(a+b) = a^2-b^2.
2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
= (3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
= (3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
= (3^4-1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
= (3^8-1)(3^8+1)(3^16+1)(3^32+1)+1
= (3^16-1)(3^16+1)(3^32+1)+1
= (3^32-1)(3^32+1)+1
= 3^64-1+1
= 3^64.
 
 
展开全文阅读
剩余:2000