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楼上的没仔细看题吧
(2+1)(2^2+1)(2^3+1)....(2^31+1)(2^32+1)=?
1(2+1)3
2(4+1)15
3(8+1)135
4(16+1)2295
5(32+1)75735
6(64+1)4922775
7(128+1)312614906738 0625
8(256+1)80342031031682 0625
9(512+1)41215461919252898 0625
10(1024+1)42245848467234220514 0625
11(2048+1)86561743509362917833314 0625
12(4096+1)354643463157859874363087714 0625
13(8192+1)2.9055938936523459506567776413141e+34
14(16384+1)4.7608155947493688401511301652931e+38
.....
个位是 5
(2+1)(2^2+1)(2^3+1)....(2^31+1)(2^32+1)=?
1(2+1)3
2(4+1)15
3(8+1)135
4(16+1)2295
5(32+1)75735
6(64+1)4922775
7(128+1)312614906738 0625
8(256+1)80342031031682 0625
9(512+1)41215461919252898 0625
10(1024+1)42245848467234220514 0625
11(2048+1)86561743509362917833314 0625
12(4096+1)354643463157859874363087714 0625
13(8192+1)2.9055938936523459506567776413141e+34
14(16384+1)4.7608155947493688401511301652931e+38
.....
个位是 5
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