返回列表 发帖

求解Priceton上一ps数学题

A certain game is palyed with a total of 10 cards, numbered 1 through 10. A player wins if his or her hand contains two cards with numbers whose product is 6. What is the maximum number of cards that a palyer can have in his or her hand without winning?

选项A5 B6 C7 D8 E9

我选A,可答案是D

收藏 分享

我刚开始也是这样想的,可答案怎么会是8呢?

TOP

该人手上不能同时含有1和6,2和3

最大可能:1,2,4,5,7,8,9,10

或者:3,4,5,6,7,8,9,10

TOP

返回列表

站长推荐 关闭


美国top10 MBA VIP申请服务

自2003年开始提供 MBA 申请服务以来,保持着90% 以上的成功率,其中Top10 MBA服务成功率更是高达95%


查看