(2²+1)(2&sup4+1)(2&sup8+1)答案
问题描述:
(2²+1)(2&sup4+1)(2&sup8+1)答案
要写过程和方法,( ⊙o⊙?)不懂( ⊙o⊙?)不崮rz(⊙o⊙)…懂
答
(2²+1)(2^4+1)(2^8+1)
=1/3(2²-1)(2²+1)(2^4+1)(2^8+1)
=1/3(2^4-1)(2^4+1)(2^8+1)
=1/3(2^8-1)(2^8+1)
=1/3(2^16-1)