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(2X+1)(2^2+1)(2^4+1)(2^8+1)+1简便运算

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(2X+1)(2^2+1)(2^4+1)(2^8+1)+1简便运算
(2X+1)(2^2+1)(2^4+1)(2^8+1)+1简便运算
(2+1)(2²+1)(2^4+1)(2^8+1)+1
=(2-1)(2+1)(2²+1)(2^4+1)(2^8+1)+1
=(2²-1)(2²+1)(2^4+1)(2^8+1)+1
=(2^4-1)(2^4+1)(2^8+1)+1
=(2^8-1)(2^8+1)+1
=2^16-1+1
=65536