3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)+(2^64+1)的个位数是打错了 3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)(2^64+1)是乘号我要看的懂

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3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)+(2^64+1)的个位数是打错了3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)(2^64+1

3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)+(2^64+1)的个位数是打错了 3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)(2^64+1)是乘号我要看的懂
3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)+(2^64+1)的个位数是
打错了 3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)(2^64+1)是乘号
我要看的懂

3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)+(2^64+1)的个位数是打错了 3(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)(2^64+1)是乘号我要看的懂
?最后一个是加号还是乘号

1

1

=(2^2-1)(2^2 1).(2^64 1) = =(2^64-1)(2^64 1) =(2^128-1) 2^1=2 2^2=4 2^3=8 2^4个位数是6 2^5个位数是2