标题: 请教一道PREP数学题 [打印本页] 作者: 小小屁孩 时间: 2011-11-4 17:36 标题: 请教一道PREP数学题 44. 5871-!-item-!-187;#058&004763 A certain company employs 6 senior officers and 4 junior officers. If a committee is to be created that is made up of 3 senior officers and 1 junior officer, how many different committees are possible?