观察下列运算并填空 1×2×3×4+1=25=5²; 2×3×4×5+1=121=11²; 3×4×

学习 时间:2026-04-02 20:25:04 阅读:5452
观察下列运算并填空 1×2×3×4+1=25=5²; 2×3×4×5+1=121=11²; 3×4×5×6+1=361=19² 9根据以上结果猜想(n+1)(n+2)(n+3)(n+4)+1=( )²

最佳回答

笨笨的猫咪

妩媚的板栗

2026-04-02 20:25:04

{n+1}{n+2}{n+3}{n+4}+1=[{n+1}{n+4}][{n+2}{n+3}]+1=[{n^2+5n+4}][{n^2+5n+6}]+1=[{n^2+5n+4}][{n^2+5n+4+2}]+1=[{n^2+5n+4}]^2+2*[{n^2+5n+4}]*1+1=[{n^2+5n+4}+1]^2={n^2+5n+5}^2

最新回答共有2条回答

  • 现实的白羊
    回复
    2026-04-02 20:25:04

    {n+1}{n+2}{n+3}{n+4}+1=[{n+1}{n+4}][{n+2}{n+3}]+1=[{n^2+5n+4}][{n^2+5n+6}]+1=[{n^2+5n+4}][{n^2+5n+4+2}]+1=[{n^2+5n+4}]^2+2*[{n^2+5n+4}]*1+1=[{n^2+5n+4}+1]^2={n^2+5n+5}^2

上一篇 “商妓”“艺妓”“声妓”“官妓” 有什么区别?

下一篇 字体演变中,象形文字后大篆后小篆而后隶书,再后面呢?