(2+1)(2^2+10(2^4+1)…(2^32+1)+1

熱心網(wǎng)友

因?yàn)? (2+1) ====尾數(shù) 3 (2^2+1） ====尾數(shù) 5 (2^4+1） ====尾數(shù) 7 (2^8+1） ====尾數(shù) 9 (2^16+1） ====尾數(shù) 3 (2^32+1） ====尾數(shù) 5 所以 (2+1)(2^2+10(2^4+1)…(2^32+1) ====尾數(shù) 5 (2+1)(2^2+10(2^4+1)…(2^32+1)+1 ====尾數(shù) 6