利用平方差公式a^2-b^2=(a+b)(a-b)的逆运算原式=（2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2^2-1) =（2^4-1)( 2^4+1)(2^8+1)(2^16+1)(2^32+1)/3 =(2^8-1)(2^8+1)(2^16+1)(2^32+1)/3 =(2^16-1)(2^16+1)(2^32+1...