3*(2^2+1)(2^4+1)(2^8+1)(2^16+1)...(2^2n+1)+1=
问题描述:
3*(2^2+1)(2^4+1)(2^8+1)(2^16+1)...(2^2n+1)+1=
答
3*(2^2+1)(2^4+1)(2^8+1)(2^16+1)...(2^2n+1)+1=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)...(2^2n+1)+1=(2^4-1)(2^4+1)(2^8+1)(2^16+1)...(2^2n+1)+1=(2^8-1)(2^8+1)(2^16+1)...(2^2n+1)+1=------------=(2^2n-1)(2^2n...