标题: Prep-113 [打印本页] 作者: Caesar 时间: 2010-7-9 11:08 标题: Prep-113
本帖最后由 Caesar 于 2010-7-9 11:10 编辑
113. 11514-!-item-!-187;#058&007740
For all positive integers m, m(m都有一方框围着 )= 3m when m is odd and m(m都有一方框围着 )= = 1/2 m when m is even. Which of the following is equivalent to 9 (9都有一方框围着 )= x 6 (6都有一方框围着 )= ?