If n is a positive integer and n2 is divisible by 72, then the largest positive integer that must divide n is


6

12

24

36

48

考题讲解
还没有题目讲解(毕出老师会陆续发布对官方考题的解读,请保持关注)。

登录注册 后可以参加讨论

OG2017Q-PS