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[求助] 求解数学题

解:
(2+1)(2^2+1)(2^4+1)(2^8+1)
=(2+1)(2-1)(2^2+1)(2^4+1)(2^8+1)/(2-1)
=(2^2-1) (2^2+1)(2^4+1)(2^8+1)
= (2^4-1) (2^4+1)(2^8+1)
= (2^8-1) (2^8+1)
=2^16-1
=65535.

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