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]
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【9】 =3 * 9 = 27；【6】= （1/2）* 6 = 3； 27 * 3 = 81
【27】就是81呀，因为【27】=27*3登录 或 注册 后可以参加讨论