标题: 又是一道机经题，我觉得答案有问题呀 [打印本页] 作者: fzygrrace 时间: 2011-8-18 15:21 标题: 又是一道机经题，我觉得答案有问题呀 If x is a positive integer, what is the least common multiple of x, 6, and 9 ?
(1)The least common multiple of x and 6 is 30.
(2)The least common multiple of x and 9 is 45.
为啥是D 我杂觉得是E 1=》》X=5/15 2=>X=5/15 所以我觉得不应该是D作者: sdcar2010 时间: 2011-8-18 21:13
You are wrong.
5, 6, and 9, LCM is 90. 15, 6, and 9, LCM is still 90!作者: 呼小桃 时间: 2011-11-23 16:49
楼上正解~~~
