2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1等于多少
3个回答

2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1

=(3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1

=(3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1

=(3^4-1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1

反复运用平方差公式

3^64-1+1

=3^64