(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多少?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/13 14:23:48
(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多少?(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多少?(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多

(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多少?
(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多少?

(2^2+1)(2^4+1)(2^8+1)(2^16+1)等于多少?
用平方差公式
(2^2+1)(2^4+1)(2^8+1)(2^16+1)
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)/(2^2-1)
=(2^4-1)(2^4+1)(2^8+1)(2^16+1)/3
=(2^8-1)(2^8+1)(2^16+1)/3
=(2^16-1)(2^16+1)/3
=(2^32-1)/3

原式=5×17x257x65537
=1431655765