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计算:2(3+1)(3^2+1)(3^4+1).(3^16+1)+1
人气:207 ℃ 时间:2020-03-29 22:34:02
解答
2(3+1)(3^2+1)(3^4+1).(3^16+1)+1
=(3-1)(3+1)(3^2+1)(3^4+1).(3^16+1)+1
=(3^2-1)(3^2+1)(3^4+1).(3^16+1)+1
=(3^4-1)(3^4+1).(3^16+1)+1
反复用平方差
=3^32-1+1
=3^32
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