(2+1)(2^2+10)(2^4+1).(2^2n+1)的值是
问题描述：
(2+1)(2^2+10)(2^4+1).(2^2n+1)的值是
答
(2-1)(2+1)(2^2+10)(2^4+1).(2^2n+1)
=2^(2n+1)-1