原式=0.5*(3-1)*(3+1)*(3^2+1)*(3^4+1)*(3^8+1)*(3^16+1)
= 0.5*(3^2-1)*(3^2+1)*(3^4+1)*(3^8+1)*(3^16+1)
=0.5*(3^4-1)*(3^4+1)*(3^8+1)*(3^16+1)
=……………………
=0.5*(3^32-1)
原式=0.5*(3-1)*(3+1)*(3^2+1)*(3^4+1)*(3^8+1)*(3^16+1)
= 0.5*(3^2-1)*(3^2+1)*(3^4+1)*(3^8+1)*(3^16+1)
=0.5*(3^4-1)*(3^4+1)*(3^8+1)*(3^16+1)
=……………………
=0.5*(3^32-1)