For all positive integers m, [m] = 3m when m is odd and [m] =1/2 m when m is even. Which of the following is equivalent to[9] x[6] ? 


[81]

[54]  

[36]

[27]  

[18]

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

Prep2007E1-PS