2(3+1)(3^2+1)(3^4+1).(3^64+1)等于多少?

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2(3+1)(3^2+1)(3^4+1).(3^64+1)等于多少?
2(3+1)(3^2+1)(3^4+1).(3^64+1)等于多少?

2(3+1)(3^2+1)(3^4+1).(3^64+1)等于多少?
2(3+1)(3^2+1)(3^4+1).(3^64+1)
=(3-1)(3+1)(3^2+1)(3^4+1).(3^64+1)
=(3^2-1)(3^2+1)(3^4+1).(3^64+1)
=(3^4-1)(3^4+1).(3^64+1)
=.
=(3^64-1)(3^64+1)
=3^128-1

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