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解:原式=(2-1)(2+1)(2^2+1)(2^4+1)…(2^64+1) +1
=(2^2-1)(2^2+1)(2^4+1)…(2^64+1) +1
=(2^4-1))(2^4+1)…(2^64+1) +1
= ......
=2^128 -1 +1
= 2^128 = 16^32
6的任意次方个位都是6
因此算式的个位是6
=(2^2-1)(2^2+1)(2^4+1)…(2^64+1) +1
=(2^4-1))(2^4+1)…(2^64+1) +1
= ......
=2^128 -1 +1
= 2^128 = 16^32
6的任意次方个位都是6
因此算式的个位是6
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