一道数论竞赛题的解法探究

Research on the Solution of A Number Theory Contest Questions

为了更好地解数论竞赛题,针对2016年全国高中数学联赛加试(A)第四题,利用数学归纳法,对一种解法给出了改正,并给出了另外一种新解法.

In order to better solve the contest questions of number theory, aiming at the fourth question of add try （A） in the 2016 national high school mathematics league, by using the method of mathematical induction, a correction is given for a solution, and another new solution is given.